Question

Which if the following lines has a slope of -1/2?

A). x+2y=0
B). x-2y=0
C). -x+2y=0

Answer 1

A) x + 2y = 0

Explanation:

In solving for y, you would follow these steps:

Subtract x in order to get 2y = -x

Divide by 2 on both sides to get y = -1/2x