Mich rectangular equation represents the parametric equations r =,; and y = 21? y = 4x2
y = 2x2
y=√2
y=285

y = 2x^2

Step-by-step explanation:

Solve t first, and then you would have to solve r.

x = t^1/2

y = 2t

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x