Question

Solve the following quadratic function

by utilizing the square root method.
y = 100-x²
X =
= ±[?].

Please help me and please explain step by step 50 points if you do thank you

Answer 1

x = ± 10

Explanation:

to solve the equation let y = 0 , that is

100 - x² = 0 ( add x² to both sides )

100 = x² ( take square root of both sides )

±
`√(100)` = x , that is

x = ± 10