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Alex73 [517]
3 years ago
15

Which pair of equations are perpendicular lines? A. 5x + 2y = 9 and y = –5/2x+27/2 B. x – 3y = 11 and y = –3x + 23 C. 4x + 2y =

6 and y = –2x + 18 D. x – 3y = 5 and y = 3x – 1
Mathematics
1 answer:
svlad2 [7]3 years ago
8 0
There is a really easy way to do this problem and that is to use a graphing website

after punching in the functions:

A. depending of whether it is -5/(2x) or (-5/2)x: intersecting but not perpendicular or parallel
B. These two lines are perpendicular
C. Parallel lines
D. intersecting but not perpendicular
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Caculate the slope between the points <br> (9, 12) and (4, 17)
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3 years ago
Is 1/2+4/9 greater than 1
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so your answer is false

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