# How do you find the vertex and the intercepts for #y = x^2 – 4x + 9#?

##### 1 Answer

May 8, 2018

vertex is (2,5)

(0,9) is the y intercept

no x intercepts

#### Explanation:

Complete the square

so the vertex is (2,5)

If

If we take the equation after we have completed the square

As we cannot take the square root of a negative number there are no roots so it does not cross the