Determine if the lines are parallel perpendicular or neither

Advanced Math questions and answers. Determine whether the pair of lines are parallel, perpendicular, or neither. 4x - 2y + 3 = 0 and 2y+x-6=0 The slope of the line with the equation 4x - 2y +3 = 0 is. The slope of the line with the equation 2y +x-6=0 is . (Type integers or simplified fractions.) negative reciprocals, Since the slopes are ...

How do you determine if the two lines are parallel, perpendicular, or neither if line a passes through points (-1, 4) and (2, 6) and line b passes through points (2, -3) and (8, 1)? Algebra Forms of Linear Equations Equations of Perpendicular LinesAll of the lines shown in the graph are parallel because they have the same slope and different y- intercepts. Lines that are perpendicular intersect to form a \displaystyle {90}^ {\circ } 90∘ -angle. The slope of one line is the negative reciprocal of the other. We can show that two lines are perpendicular if the product of the two slopes is ...Determine whether each pair of lines are parallel, perpendicular, or neither. Can you please assist me with help on this with steps to determine weather the lines are parallel, perpendicular, or neither. a. 6x=5y+1 and -12x+10y=1. b. 6+4x=3y and 3x+4y=8. Follow • 2.Determine whether the lines are parallel, perpendicular, or neither. y=2x-8 y=-2x+7. ... Determine whether the lines are parallel, perpendicular, or neither. y=2x-8 y=-2x+7. There are 2 steps to solve this one. Who are the experts? Experts have been vetted by Chegg as specialists in this subject.Here's the best way to solve it. Identify the slopes of the given lines from their equations. Determine if the following lines are parallel, perpendicular, or neither. y = - 1 5 ་ 2 6 2x + y = 4 Select the correct answer below: parallel perpendicular neither parallel nor perpendicular.Parallel & perpendicular lines from graph. Are the lines in the figure parallel, perpendicular, or neither? Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.To find the negative reciprocal, first find the reciprocal and then change the sign. As with parallel lines, we can determine whether two lines are perpendicular by comparing their slopes. The slope of each line below is the negative reciprocal of the other so the lines are perpendicular. f (x) = 1 4x+2 negative reciprocal of 1 4 is −4 f (x ...Determine whether the graphs of the equation are parallel lines,Perpendicular lines, or neither.Show work and circle the evidence (slopes) to support your answer. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts.

To determine if the lines x - y = 4 and x + y = 9 are parallel, perpendicular, or neither, we should first find the slopes of both lines by writing them in slope-intercept form (y = mx + b), where m is the slope and b is the y-intercept. For the first equation: Add y to both sides to get x = y + 4. Subtract 4 from both sides to get y = x - 4.If the slopes are identical, as long as the intercepts are not equal, the lines are parallel. For example, the line with the equation 4x – y + 7 = 0 is parallel to 8x – 2y +4 = 0, while 2x - 3y – 3 = 0 is not parallel, because its slope equals 2/3 instead of 4. Compare the two slopes for perpendicularity. Perpendicular lines slope in ...For the given pair of equations, give the slopes of the lines, and then determine whether the two lines are parallel, perpendicular, or neither. 14x - 5y = 20 5x + 14y = 56 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The slope of 14x - 5y = 20 is (Type an integer or a simplified fraction.)Atlas Van Lines has more than 70 years of experience in providing moving services. Read our review to learn whether it can assist you during your next move. Expert Advice On Improv...This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: Graph the two lines and determine whether they are parallel, perpendicular or neither. 2y - x = 10 and 2y = x +4. Find the equation of the line parallel to 5x = 7+ y and passing through the point (1, -2).Question: Question 17 Determine if the lines defined by the given equations are parallel, perpendicular, or neither. -4y=2x+5 -4x=8y+3 neither parallel. Question 17 Determine if the lines defined by the given equations are parallel, perpendicular, or neither. -4y=2x+5 -4x=8y+3 neither parallel. There’s just one step to solve this. Expert ...Determine whether the following two lines are parallel, perpendicular, or neither: 2y-x=10 and 2y=x+4 This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts.

The lines having equation x - 5y = 30 and 10y = 2x + 90 are parallel as their slope are equal.. What is line? A simple line in Euclidean geometry.A line, according to Euclid, is the distance between two points and can stretch forever in either direction.While Euclid's initial definition is now regarded as a line segment, such an extension in both directions is now thought of as a line.4. Determine whether the lines are parallel, perpendicular or neither: x+2y=0 and 4y=−x+4. 5. Find an equation of the line that is parallel to the line y= 9 7 x− 8 3 and passes through (3,1)The equations of two lines are given. Determine whether the lines are parallel, perpendicular, or neither. y = 2x + 3; 4y − 8x − 2 = 0. 2. Factor the expression completely. 4 x3 + 8 x2 − x − 2. Here's the best way to solve it. Who are the experts? Experts have been vetted by Chegg as specialists in this subject.Question: Question 17 Determine if the lines defined by the given equations are parallel, perpendicular, or neither. -4y=2x+5 -4x=8y+3 neither parallel. Question 17 Determine if the lines defined by the given equations are parallel, perpendicular, or neither. -4y=2x+5 -4x=8y+3 neither parallel. There’s just one step to solve this. Expert ...This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: Determine whether each pair of lines is parallel, perpendicular, or neither. (See Example 8.)2x−y=6 and x−2y=4. There are 3 steps to solve this one.Nov 28, 2020 · Determine whether the lines are parallel or perpendicular or neither. One line passes through the points (2, 11) and (-1, 2); another line passes through the points (0, -4) and (-2, -10). Find the slope of each line and compare them.

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To find the coefficient b also known as the y-intercept, substitute the coordinates (x, y) and the value of “a” into the equation of your line: y = ax+ b y = a x + b. y = −1.x/m +b y = − 1. …Find step-by-step Calculus solutions and your answer to the following textbook question: Determine whether the lines are parallel, perpendicular, or neither. x - 2 = 3, y = 2.A. The lines with equation 3x - 4y = 6 and 3y = -4x + 9 are perpendicular. B. The lines with equation y = 1⁄2x - 7 and 6x - 12y = 24 are parallel. How do I determine if the lines are parallel or perpendicular? From the equation of lines, we can detect if they are parallel or perpendicular as follow: Parallel lines have the same slope (or ...4x+3y=5. 3y=5-4x. y= (5/3)- (4/3)x. Two lines will be parallel when their slopes are equal, and two lines will be perpendicular when their slopes are negative reciprocals of each other. Our slopes for these two equations are the coefficient for the x value. - (4/3) and - (4/3) Both slopes are equal so these lines are parallel. Upvote • 2 ...

Parallel & perpendicular lines from graph. Are the lines in the figure parallel, perpendicular, or neither? Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.Question: QuestionDetermine if the following lines are parallel, perpendicular, or neither.-x+2y=-4-4x+8y=0Select the correct answer below:ParallelPerpendicularNeither parallel nor perpendicular. Question. Determine if the following lines are parallel, perpendicular, or neither. - x + 2 y = - 4. - 4 x + 8 y = 0. Select the correct answer below:Advanced Math questions and answers. Determine if the following pair of lines is parallel, perpendicular or neither. I = 4y + 2 81 + 2y = 10 The lines are [ Select] < Consider the following diagram of a transverse line to a pair of parallel lines, l, and 12. (2x +50) l1 (3x + 5)º 22 Find the value of x. The curve y + x2 25 is translated to a ...Determine whether the lines L1 and L2 given by the vector equations are parallel, perpendicular, or neither. L1: r(t) = (-3 + 3t)i + (5 + t)j L2: r(s) = (3 + 4s)i + (2 - 12s)j perpendicular parallel neither If the lines are not parallel, find their point of intersection. (If the lines are parallel, enter PARALLEL.) There are 2 steps to solve ...Learn how to find the slopes and equations of parallel and perpendicular lines in this section of the Mathematics LibreTexts. You will also practice solving problems involving parallel and perpendicular lines in the coordinate plane. This section is part of a larger chapter on graphing and linear equations.Determine if the lines are parallel, perpendicular, or neither. y = 1 / 2 x + 3 y = -2 x + 4; The equations of two lines are given. Determine if the lines are parallel, perpendicular, or neither. 2x - y = 4 2 x - y = -4; The equations of two lines are given. Determine if the lines are parallel, perpendicular, or neither. y = 3 x + 5 y = -3 x + 5To determine whether two lines are parallel, intersecting, skew, or perpendicular, we'll test first to see if the lines are parallel. If they aren't parallel, then we test to see whether they're intersecting. If they're intersecting, then we test to see whether they are perpendicular, specifically.Geometry questions and answers. Question 6 (1 point) Determine whether the following pair of lines are parallel, perpendicular, both or neither line 1. y = 4x/5 - 5 line 2. 4y = -5x + 6 Perpendicular Both d Neither Question 7 (1 point) Determine whether the following pair of lines are parallel, perpendicular, both or neither line 1. y - 3x = 7 ...

If the slopes are identical, as long as the intercepts are not equal, the lines are parallel. For example, the line with the equation 4x - y + 7 = 0 is parallel to 8x - 2y +4 = 0, while 2x - 3y - 3 = 0 is not parallel, because its slope equals 2/3 instead of 4. Compare the two slopes for perpendicularity. Perpendicular lines slope in ...

Parallel, Perpendicular, or Neither? quiz for 9th grade students. Find other quizzes for Mathematics and more on Quizizz for free! Parallel, Perpendicular, or Neither? quiz for 9th grade students. ... Determine if the lines are parallel, perpendicular, or neither. Parallel. Perpendicular. Neither. 4. Multiple Choice. Edit. 5 minutes. 1 pt.Choose a point on one of the lines (x1,y1). The distance between the lines is then the perpendicular distance between the point and the other line. If you rewrite the equation of the line in standard form Ax+By=C, the distance can be calculated as: |A*x1+B*y1-C|/sqroot (A^2+B^2).You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: Determine if the two lines with equations 3y+9x=−12 and 2y=6x+14 are parallel, perpendicular, or neither. Perpendicular (B) Not enough information Parallel Nelther. There’s just one step to solve this. Question: Given the following equations, determine if the lines are parallel, perpendicular, or neither. 6x-4 (x+3)=3y-x and -6x=1-6y. There’s just one step to solve this. Equal slopes define parallel lines.Because they will always be at the same distance apart, parallel lines will never cross one another. On the other hand, perpendicular lines connect at 90 ∘angles and have slopes that are reciprocal to each other's negative values. Therefore, to determine whether two lines are perpendicular, parallel, or neither, we …Example 1: Observe the blue highlighted lines in the following examples and identify them as parallel or perpendicular lines. Solution: We need to know the properties of parallel and perpendicular lines to identify them. a.) Ruler: The highlighted lines in the scale (ruler) do not intersect or meet each other directly, and are the same distance apart, …The student is asking whether the lines represented by the equations 10x + 5y = -5 and y = -2x + 6 are parallel, perpendicular, or neither. To determine the relationship between the two lines, we need to identify the slopes of each line, since the slopes indicate the direction of the lines. The slope of a line in the form y = mx + b is given by ...

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A Digital Subscriber Line (DSL) service is a method of establishing mainline Internet connectivity. This service makes use of phone lines to provide data access for both residentia...Determine whether the lines for each pair of equations are parallel, perpendicular, or neither. y = frac(3)(4)x+2 3x-4y=-8 A. parallel B. perpendicular C. neither Determine if the following lines are parallel, perpendicular, or neither. y = -x + 5 y = 2x - 6 Determine if the following lines are parallel, perpendicular, or neither. yx+y=x-8=-5. There are 4 steps to solve this one. Expert-verified. 100% (1 rating) Parallel and Perpendicular Lines: (i) Two lines are said to be parallel if their slopes are equal. (i) Two lines are perpendicular to each other if the product of their slopes is -1. (iii) We find the slope of a line by converting it to the form y …This video covers one example on how to determine if two lines are parallel, perpendicular, or neither, by comparing the slope of the two lines.Like, Subscri...We would say these two lines are perpendicular if they intersect at a right angle. So they clearly intersect. In order for them to intersect at a right angle, the angle formed between these two lines needs to be 90 degrees. And if any one of these angles is 90 degrees, the rest of them are going to be 90 degrees.The equations of three lines are given below. 3 Line 1: y=x+7 Line 2: 2y=3x+5 Line 3: 6x-4y=4 For each pair of lines, determine whether they are parallel, perpendicular, or neither. Line 1 and Line 2: O Parallel O Perpendicular Neither Line 1 and Line 3: O Parallel O Perpendicular O Neither Line 2 and Line 3: O Parallel O Perpendicular O Neither XLearning Objectives. Determine the slope between two points on a line. Determine if two lines are parallel. Determine if two lines are perpendicular. Parallel and Perpendicular Lines. Two lines are said to be parallel if their slopes are the same. This means that the lines are going in exactly the same direction. Transcript. Parallel lines are lines that never intersect, and they form the same angle when they cross another line. Perpendicular lines intersect at a 90-degree angle, forming a square corner. We can identify these lines using angles and symbols in diagrams. Created by Sal Khan and Monterey Institute for Technology and Education. ….

Step 1. Determine whether the pair of lines are parallel, perpendicular, or neither. 10x - 5y + 4 = 0 and 2y +x-6 = 0 The slope of the line with the equation 10x - 5y + 4 = 0 is 2. The slope of the line with the equation 2y +x-6 = 0 is (Type integers or simplified fractions.) Since the slopes are negative reciprocals, the pair of lines are ...For the following exercises, determine whether the lines given by the equations below are parallel, perpendicular, or neither parallel nor perpendicular:3y +...Question. Determine if the following lines are parallel, perpendicular, or neither. - x + 2 y = - 4. - 4 x + 8 y = 0. Select the correct answer below: Parallel. Perpendicular. Neither parallel nor perpendicular. There’s just one step to solve this.Question: Determine if the given equations are parallel, perpendicular, or neither. Line 1: x+y=-5 Line 2: x-y=-8 ... Determine if the given equations are parallel, perpendicular, or neither. Line 1: x+y=-5 Line 2: x-y=-8. There are 2 steps to solve this one. Who are the experts? Experts have been vetted by Chegg as specialists in this subject ...This problem has been solved! You'll get a detailed solution that helps you learn core concepts. See Answer. Question: Determine whether each pair of lines are parallel, perpendicular, or neither. "Explain your reasoning.line p:y=-5x+12line q: y=15x-6The lines are because Select an answer. Determine whether each pair of lines are parallel ...Determine if the two lines with equations 3y +12x = -9 and 2 y = 8x +10 are paralel, perpendicular, or neither Parallel Neither 5 © Perpendicular Not enough informationStep 1. We know that, ⇒ Slope of parallel lines are equal. ⇒ Slope of perpendicular lines are negative r... View the full answer Answer. Unlock. Previous question Next question. Transcribed image text: Determine whether the lines given by the equations below are parallel, perpendicular, or neither parallel nor perpendicular. 8x−7y =11 7x ...Calculus questions and answers. Determine whether the planes are parallel, perpendicular, or neither. 6x + 24y - 18z = 1, -12x + 24y + 28z = 0 parallel perpendicular neither If neither, find the angle between them. (If the Hanes are parallel or perpendicular, enter PARALLEL or PERPENDICULAR, respectively.) NA o.This video covers one example on how to determine if two lines are parallel, perpendicular, or neither, by comparing the slope of the two lines.Like, Subscri... Determine if the lines are parallel perpendicular or neither, Algebra. Algebra questions and answers. Determine if the lines defined by the given equations are parallel, perpendicular, or neither. 2 y= 7*-1 y=-3x+7 х The lines are (Choose one) parallel perpendicular neither parallel nor perpendicular Write an equation of the line that passes through (-4,-3) and is parallel to the line defined by 4x+y=2., Determine if the lines defined by the given equations are parallel, perpendicular, or neither. −2y=−3x+56x=4y+5 parallel perpendicular neither This problem has been solved! You'll get a detailed solution from a subject matter …, Question: Determine whether the two lines below are parallel, perpendicular or neither. y = 93 +4 3y = 27 + 15 O parallel Oneither Operpendicular. Show transcribed image text. Here’s the best way to solve it., Parallel lines have the same slope. Perpendicular lines, depending on how you wanna view it, they're kind of the opposite. Let's say this is some line, a line that is perpendicular to that, will not only intersect the line, it won't only intersect the line, it will intersect it at a right angle. At a 90 degree angle., two lines y − 2 = 2 (x − 1) 2 x + 4 y − 3 = 0 y-2=2(x-1)\hspace{0.5cm}2x+4y-3=0 y − 2 = 2 (x − 1) 2 x + 4 y − 3 = 0. Requires: ‾ {\color{#c34632}\underline{\textbf{Requires:}}} Requires: determine whether the lines are parallel, perpendicular, or neither. Solution: ‾ {\color{#c34632}\underline{\textbf{Solution:}}} Solution: From ..., Determine whether the lines given by the equations below are parallel, perpendicular, or neither. Also, find a rigorous algebraic solution for each problem. a. 3 y + 4 x = 12-6 y = 8 x + 1 b. 3 y + x = 12-y = 8 x + 1 c. 4 x-7 y = 10 7 x + 4 y = 1 . 2. A ball is thrown in the air from the top of a building. Its height, in meters above ground, as ..., Step 1. Solution. Let us note some important points regarding parallel and perpendicular lines: For parallel l... View the full answer Answer. Unlock. Previous question Next question. Transcribed image text: Use the graph below to determine if the two lines are parallel, perpendicular, or neither., This means the lines are neither parallel nor perpendicular. So the answer is neither. Now that we have a sense of how the slopes of parallel and perpendicular lines are related, let’s ... Determine if the two lines are parallel. 1. 2 5 4 y x 2. 3 3 2 y x 3. 2x 3y 9 3 5 4 y x 1 3 2 y x 4x 6y 12 4. 3x 4y 8 5. 5x y 4 6. 2x 3y 6 12x 9y 27 15x 3y 9, Choose a point on one of the lines (x1,y1). The distance between the lines is then the perpendicular distance between the point and the other line. If you rewrite the equation of the line in standard form Ax+By=C, the distance can be calculated as: |A*x1+B*y1-C|/sqroot (A^2+B^2)., Determine if the slopes of the lines are parallel, perpendicular or neither. Learn with flashcards, games, and more — for free., Question: Question 17 Determine if the lines defined by the given equations are parallel, perpendicular, or neither. -4y=2x+5 -4x=8y+3 neither parallel. Question 17 Determine if the lines defined by the given equations are parallel, perpendicular, or neither. -4y=2x+5 -4x=8y+3 neither parallel. There’s just one step to solve this. Expert ..., Step 1. Determine if the following lines are parallel, perpendicular, or neither. y= 3x−7 y= −3x+5 Select the correct answer below: Parallel Perpendicular Neither parallel nor perpendicular., To find the coefficient b also known as the y-intercept, substitute the coordinates (x, y) and the value of “a” into the equation of your line: y = ax+ b y = a x + b. y = −1.x/m +b y = − 1. …, Free practice questions for Precalculus - Determine if Two Vectors Are Parallel or Perpendicular. Includes full solutions and score reporting. Determine if Two Vectors Are Parallel or Perpendicular - Precalculus , Given the following equations, determine if the lines are parallel, perpendicular, or neither. 6x-4(x+3)=3y-x and -6x=1-6y This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts., Jan 18, 2022 ... In this video you are given four points and you have to find the slope and then write the equation using the point / slope formula and then ..., Question: Given the following equations, determine if the lines are parallel, perpendicular, or neither. (7y+9x)/(3)=x+1 and 3x-6y=10x+3 ... determine if the lines are parallel, perpendicular, or neither. (7y+9x)/(3)=x+1 and 3x-6y=10x+3. There's just one step to solve this. Who are the experts? Experts have been vetted by Chegg as specialists ..., Free parallel line calculator - find the equation of a parallel line step-by-step, The two lines represented by x-3y=6 and y=3x+4 are neither parallel nor perpendicular, as their slopes are 1/3 and 3, respectively, which are not identical nor negative reciprocals of each other. Explanation: We are asked to determine whether the two lines represented by the equations x-3y=6 and y=3x+4 are parallel, perpendicular, or neither., Parallel and Perpendicular Lines: (i) Two lines are said to be parallel if their slopes are equal. (i) Two lines are perpendicular to each other if the product of their slopes is -1. (iii) We find the slope of a line by converting it to the form y = m x + b where m gives the slope of the line., Determine if the lines are parallel, perpendicular, or neither. y = 1 / 2 x + 3 y = -2 x + 4; The equations of two lines are given. Determine if the lines are parallel, perpendicular, or neither. 2x - y = 4 2 x - y = -4; The equations of two lines are given. Determine if the lines are parallel, perpendicular, or neither. y = 3 x + 5 y = -3 x + 5, See Answer. Question: Determine whether the pair of lines is parallel, perpendicular, or neither. y=175x−10 y=−175x−10 Choose the correct answer below. A. Perpendicular B. Neither C. Parallel. Show transcribed image text. There are 2 steps to solve this one., You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: Determine if the two lines with equations 3y+9x=−12 and 2y=6x+14 are parallel, perpendicular, or neither. Perpendicular (B) Not enough information Parallel Nelther. There's just one step to solve this., The first pair of lines is parallel and the second pair of lines is perpendicular. Explanation: The given equations are: 10x + 5y = -5; y = -2x + 6; x-3y = 15; y = -3x + 4; To determine if the lines are parallel or perpendicular, we can compare their slopes. For the first pair of equations: The slope of the first equation is -2/1., Parallel lines have the same slope. Perpendicular lines, depending on how you wanna view it, they're kind of the opposite. Let's say this is some line, a line that is perpendicular to that, will not only intersect the line, it won't only intersect the line, it will intersect it at a right angle. At a 90 degree angle., The two slopes are equal , the two lines are parallel. Also the two lines are horizontal e. m1 = ( 7 - 5 ) / ( -2 - (-2) ) m2 = ( 13 - 1 ) / ( 5 - 5 ) The two slopes are both undefined since the denominators in both m1 and m2 are equal to zero. The two lines are vertical lines and therefore parallel. Solution to Q6: No., The two lines represented by x-3y=6 and y=3x+4 are neither parallel nor perpendicular, as their slopes are 1/3 and 3, respectively, which are not identical nor negative reciprocals of each other. Explanation: We are asked to determine whether the two lines represented by the equations x-3y=6 and y=3x+4 are parallel, perpendicular, or neither., Parallel and Perpendicular Lines In Exercises69-72, determine whether the lines L1 and L2 passingthrough the pairs of points are parallel, perpendicular,or neither.69., Step 1. Determine whether the lines described are parallel, perpendicular, or neither parallel nor perpendicular. L1 through (0,1) and (3,−5), and L2 through (9,9) and (4,4) Are the two lines parallel, perpendicular, or neither? Parallel Perpendicular Neither parallel nor perpendicular. , Aug 24, 2022 · The product of the two slopes is. m1m2 = 2 ⋅ ( − 1 2) = − 1. Figure 3.5.11. Sketching perpendicular lines. Let's summarize: Parallel lines have the same slope m. Perpendicular lines have negative reciprocal slopes. That is, if a line has slope m, any line perpendicular to it must have slope − 1 / m. , Here's the best way to solve it. Using the indicated slopes of lines L, and L2, determine whether the lines are parallel, perpendicular, or neither. Assume that the lines are not the same. m, is undefined, m2 4 Choose the correct answer below. The lines L1 and L2 are perpendicular. The lines L1 and L2 are neither parallel nor perpendicular., Parallel & perpendicular lines from graph. Are the lines in the figure parallel, perpendicular, or neither? Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for …, Now, let's determine whether the following two lines are parallel, perpendicular, or neither: Line 1: 2x=y−10; Line 2: y=−2x+5. Begin by finding the slopes of lines 1 and 2. 2x+10=y−10+10. 2x+10=y. The slope of the first line is 2. y=−2x+5. The slope of the second line is -2. These slopes are not identical, so these lines are not ...