Lesson 9 Rewriting Quadratic Expressions in Factored Form 4

Lesson 9 Rewriting Quadratic Expressions in Factored Form 4

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Factor,

 $11x^2+17x-10$  

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Solve by factoring, list your answers as decimals rounded to the nearest hundredth. List answers from least to greatest.

 $7x^2-22x+3$  

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Solve by factoring, list your answers as decimals rounded to the nearest hundredth. List answers from least to greatest.

 $4x^2+x-5$  

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Solve by factoring, list your answers as decimals rounded to the nearest hundredth. List answers from least to greatest.

 $9x^2-25=0$  

Open Ended

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A picture is 10 inches wide by 15 inches long. The area of the picture, including a frame that is x inch thick, can be modeled by the function A(x)=(2x+10)(2x+15).

What is the total area if the picture has a frame that is 4 inches thick?

Write the number only