# 9.10: Chapter 9 Test

Difficulty Level:

**At Grade**Created by: CK-12Simplify the following expressions.

Factor the following expressions.

Solve the following problems.

- A rectangle has sides of and . What value of gives an area of 45?
- The product of two positive numbers is 40. Find the two numbers if one of the numbers is 6 more than the other.
- Give an example of two independent events. Determine the probability of each event. Use it to find:

- The probability it will rain on any given day in Seattle is 45%. Find the probability that:
- It will rain three days in a row.
- It will rain one day, not the next, and rain again on the third day.

## Texas Instruments Resources

*In the CK-12 Texas Instruments Algebra I FlexBook® resource, there are graphing calculator activities designed to supplement the objectives for some of the lessons in this chapter. See http://www.ck12.org/flexr/chapter/9619.*

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## Date Created:

Feb 22, 2012## Last Modified:

Dec 11, 2014
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