Answer
See explanations.
Work Step by Step
There will be an unlimited number of ways to set up the parametric equations. Let $x=kt$, where $k\ne0$ is a real number. We have $y=5kt$ and for each $k$ value, we have a pair of parametric equations $x=kt, y=5kt$. For example, letting $k=1$, we have $x=t, y=5t$.
