Answer: The equation perpendicular to the line is y=-1/2x-15/2
Step-by-step explanation: Perpendicular lines have the gradients that have a product of -.
We are given the gradient of 2 the required gradient is-1/2
The equation is y=mx+c
-7=-1/2(-1)+c
c= -15/2
y= -1/2x-15/2
