Now solve this equation for y. Remember the roller coaster is above ground, so you are only interested in the positive root.

Question

asked Jul 28, 2022 143k views

1 Answer

Arie Litovsky · Answer 1 · 2022-08-01T01:22:05+0000

Answer:

$y = \sqrt{ 900 - x\²$

Explanation:

In the complete question, the area of the roller coaster is:

$x\² + y^2 = 900$

Required

Solve for y

We have:

$x\² + y^2 = 900$

Subtract
$x\²$ from both sides

$y^2 = 900 - x\²$

Take positive roots of both sides

$y = \sqrt{ 900 - x\²$