Question

Find the equation of the quadratic function with zeros -14 and -10 and a vertex at (-12, -12)

A y = -3x2 − 72x − 420

B y = x2 + 24x + 140

C y = 3x2 − 72x + 420

D y = 3x2 + 72x + 420

Answer 1

@chemENGINEER

Answer 2

@chemENGINEER I'm doing my work and I'ma call it B

Answer 3

@Jusaquikie can you check my answer?

Answer 4

@precal can you check if B correct for me?

Answer 5

do you have a graphing calculator?

Answer 6

No

Answer 7

https://www.desmos.com/calculator

Answer 8

should look like this

Answer 9

did you find it

Answer 10

I'm guessing C or A cause I can't tell graph to be honest, @precal

Answer 11

@ktnguyen1 what do you think?

Answer 12

lets verify the vertex by using the vertex formula