PLEASE HELP!!! Put y=-9(x+1)(x-7) in standard form. Please show work too.

Question

asked Feb 15, 2022 230k views

2 Answers

Jebby · Answer 1 · 2022-02-16T22:33:23+0000

Answer:

y =
-9x^2 + 54x + 63

Explanation:

An equation in standard form is;

y = ax^2 + bx + c

y = -9( x + 1 ) ( x - 7 )

Distribute. multiply every term by another, and combine like terms;

y = -9 (
x^2 - 6x - 7 )

y =
-9x^2 + 54x + 63