Mathematics

Question

HELP PLEASE.
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 – 11

2 Answer

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