Answer
Quadrant IV
Work Step by Step
$\frac{7\pi}{4}$ radians
It is a positive angle and obtained by rotating the terminal side counterclockwise $\frac{7\pi}{4}$ = $\pi$ + $\frac{3\pi}{4}$ radians.
So $\frac{7\pi}{4}$ radians lies in quadrant IV.
Find the attachment.