Parabola help

[thedarkhawk10]

Homework Statement

What is the equation of this parabola: (10,0) ((13,27) (16,0)

Homework Equations

IDK what this is please help

The Attempt at a Solution

0=a(10)^2+b(10)+c
0=100a+10b+c
-100a-10b=c
I'm stuck please help

Homework Statement

Homework Equations

The Attempt at a Solution

 

[Mark44]

Use all three of your given points, not just one of them. You need three equations to be able to solve for the three unknowns.