mtrimouille

2 Questions
0 Answers

0

781

1

+8

Need help by the end of today!

A quadratic of the form $-2x^2 + bx + c$ has roots of $x = 3 + \sqrt{5}$ and $x = 3 - \sqrt{5}.$ The graph of $y = -2x^2 + bx + c$ is a parabola. Find the vertex of this parabola.

mtrimouille Jan 14, 2020

0

666

1

+8

Halp!!!

The graph of $y=ax^2+bx+c$ passes through points $(0,5)$, $(1,10)$, and $(2,19)$. Find $a+b+c$.

I would appreciate it if I got help asap.
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mtrimouille Jan 13, 2020