Is Q the answer Determine which point in the figure P Q R or

Is Q the answer?

Determine which point in the figure, P, Q, R, or S, has the given polar coordinates. (-4, 31 pi/4)

(r,)=(-4,31_/4)

(-4,31_/4) =(-4,8-(_/4))

(-4,31_/4) =(-4,-(_/4))

(-4,31_/4) =(4,-(_/4))

(-4,31_/4) =(4,(3_/4))

so Q is the answer