Thread: simple problem

idk where to post this.

how do you solve $x=e^{2t}$ and $y=e^t$ to get a single Cartesian equation?

Originally Posted by tinspire

idk where to post this.

how do you solve $x=e^{2t}$ and $y=e^t$ to get a single Cartesian equation?

$e^{2t}=(e^t)^2 \Rightarrow x=y^2$

oooh i see thank you

x = e^2t = (e^t)² = y² (y = e^t)
So, x = y².