Answer
The graph is shown below
Work Step by Step
Writing in standard form: $\frac{x^2}{1^2}−\frac{y^2} {2^2}=1$
Intercepts : $y=0$, $x^2=1$,
$(1;0)$, $(-1;0)$
Asymptotes: $y=+/−(\frac{b}{a})x,$
$y=2x$ and $y=−2x$
The graph is as below