### Home > CAAC > Chapter 12 > Lesson 12.4.4 > Problem 12-101

12-101.

The vertex is the lowest point of a parabola.

The *x*-coordinate of the vertex is halfway between the *x*-intercepts.

Substitute the *x*-coordinate of the vertex back into the equation to find the *y*-coordinate.

( −2.5, −36.75 )