Answer
See graph below.
Work Step by Step
The question ONLY asks for a graph of the polar equation.
Given $r = -2 \cos θ$
Table of Values:
$(-2, 0)$
$(-1, \frac{\pi}{3})$
$(0, \frac{\pi}{2})$
$(1, \frac{2\pi}{3})$
$(2, \pi)$
$(1, \frac{4\pi}{3})$
$(0, \frac{3\pi}{2})$
$(-1, \frac{5\pi}{3})$
See graph below.