### Home > CCAA8 > Chapter 10 Unit 11 > Lesson CCA: 10.3.3 > Problem10-142

10-142.

This problem is a checkpoint for factoring polynomials. It will be referred to as Checkpoint 10B.

Factor each polynomial expression.

1. $x^2−8x+7$

1. $y^2−2y−15$

1. $7x^2−63$

1. $3x^2+10x+8$

Check your answers by referring to the Checkpoint 10B materials located at the back of your book.

Ideally, at this point you are comfortable working with these types of problems and can solve them correctly. If you feel that you need more confidence when solving these types of problems, then review the Checkpoint 10B materials and try the practice problems provided. From this point on, you will be expected to do problems like these correctly and with confidence.

Answers and extra practice are located in the back of your printed textbook or in the Reference Tab of your eBook.
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