Answer
See graph and explanations.
Work Step by Step
Step 1. Graph equations $\frac{x^2}{4}-\frac{y^2}{9}=1$ (red) and $\frac{x^2}{4}-\frac{y^2}{9}=-1$ (blue) as shown in the figure.
Step 2. We can see that they have different transverse axes with exchanged $a, b$ values.
