1. consider the cartesian equation of a circle, y=-2+-sqrt36-(x-1)^2, versus the parametric equations of the same circle: x=1+6cost y=-2+6sint. what are the advantages of the parametric euqations? select all that apply

2. Which set of parametric equations represents the function y=x^2+3x-4? select all that apply.

3. Identify the parametric equations that represent the same graph as the following parametric equations. Select all that apply. x=2t y=t^2+3

attached are the full questions + answer choices. thank you!