Can someone please please help me with this question !!!

Question

asked Jan 7, 2023 196k views

1 Answer

Nehemias Herrera · Answer 1 · 2023-01-11T12:16:06+0000

Answer: b and d

Explanation:

Since the roots are x=2 and x=6, we can write the equation as

f(x)=a(x-2)(x-6)

Substituting in the coordinates of the vertex,

$-4=a(4-2)(4-6)\\\\-4=a(2)(-2)\\\\-4=-4a\\\\a=1$

So, the equation is
f(x)=(x-2)(x-6) .

On expanding, we get
f(x)=x^2 - 8x+12