# What are the important points needed to graph #f(x) = -(x-2)(x + 5)#?

##### 1 Answer

This is an instruction/guide to the method needed, No direct values for your equation are given.

#### Explanation:

This is a quadratic and there are a few tricks that may be used to find salient points for sketching them.

Given:

Multiply the brackets giving:

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First off; we have a negative

Using standard form of

To do the next bit you would need to change this standard form into

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so

Substitute

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