# What is the vertex of #y=-(x + 2)^2 - 3x+9#?

##### 1 Answer

Write your answer here...

Start with a one sentence answer

Then teach the underlying concepts

Don't copy without citing sources

preview

?

#### Answer

Write a one sentence answer...

#### Answer:

#### Explanation

Explain in detail...

#### Explanation:

I want someone to double check my answer

Mark D.
Share

Jun 19, 2018

get the equation into the standard form of a quadratic

Expand the brackets

Remove the brackets

Collect like terms

Now use

Put this into the equation

The maximum is

Was this helpful? Let the contributor know!

Describe your changes (optional) 200