Which of the following equations is parallel to the line passing through a(-2, 7) b(-2,-2)?
a) y=-2
b) y= x
c) 3x=5
d) -2x=7y

Calculate for the slope (m) of the line given the points through the equation,
                    m = (y2 - y1) / (x2 - x1)
 
                     m = (-2 - 7) / (-2 --2) = undefined

Therefore, the line is vertical. Among the given choices above, only letter C is vertical. 

I’m going to infer you said parallel.solve for yy= -1/2x+7/4lines that are parallel have the same slope, different y intercept.so we know m is -1/2then from there solve for y intercept.