Step-by-step explanation:
y^2-y^1/x^2-x^1 Formula
7-3/-4-4=4/-8= -1/2
the answer is (4,3)
since the rule for r0, 90º is (-y,x) and it was already applied to form the image, all you have to do is reverse the answer using this formula.
step-by-step explanation: