keemislife666 keemislife666

27-10-2020
Mathematics

contestada

Which pair of lines are perpendicular?

A y=-8 and y = 2
B y= -4x + 1 and 8X+2Y=-10
C x=4 and y= -1
D x-y=7 and y=x+3

Which pair of lines are perpendicular A y8 and y 2 B y 4x 1 and 8X2Y10 C x4 and y 1 D xy7 and yx3 class=

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sqdancefan sqdancefan

27-10-2020

9514 1404 393

Answer:

C. x=4 and y= -1

Step-by-step explanation:

A: lines are parallel (both are horizontal)

B. lines are parallel (both have slope -4)

C. lines are perpendicular (one is vertical, one is horizontal)

D. lines are parallel (both have slope 1)

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