Question

What is the roots of the equation by factoring completely

Answer 1

-(5/2) and +(5/2)

Explanation:

y = 100 - 16x^2

y = 4*(25 - 4x^2)

(25 - 4x^2) = -(2x-5) *(2x+5)

The roots are -(5/2) and +(5/2)