Question

Which pair of equations represents parallel lines?

A) y=2x=7
y=x=7
B) y=2x-7
y=-1/2-7
C) y=7
x=7
D) y=2x+7
y=2x-7

Answer 1

It should be just D) y=2x+7

y=2x-7

Explanation:

Parallel lines have the same slope :D

Answer 2

A) parallel

B) not

C) not

D) parallel