# How do you find the quadratic function with vertex (-2,5) and point (0,9)?

##### 1 Answer

Jan 7, 2018

#### Explanation:

Vertex form of a quadratic equation is

In this case, h is -2 and k is 5.

Thus the equation becomes

In order to find out a, we must plug in the x- and y-values of the point we want the equation to pass through.

The equation becomes:

Finally the equation is

Another way to put it is: