Why is the x intercept wrong?

Question

asked Mar 22, 2020 155k views

1 Answer

Marcell Erasmus · Answer 1 · 2020-03-28T06:58:44+0000

It’s wrong because it isn’t one of the zeroes for the equation
f(x)=-16x^2+64x+80
Divide by -16
x^2-4x-5
(x-5)(x+1)
Set them up to zero
x-5=0. x+1=0
x=5. x=-1
5 and -1 are your possible zeroes

Why is the x intercept wrong?

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

No related questions found

Categories

Other Questions