# What is the vertex form of #y=x^2 +6x -3 #?

##### 1 Answer

Jan 23, 2016

To convert to vertex form, you must complete the square.

#### Explanation:

y =

y = 1(

n =

n =

n = 9

y = 1(

y = 1(

y = 1

So, the vertex form of y =

**Exercises:**

- Convert each quadratic function from standard form to vertex form:

a) y =

b) y =

c) y =

- Solve for x by completing the square. Leave any non-integer answers in radical form.

a)

b)

Good luck!