Chpt4&5 ReviewAnswers

Chpt4&5 ReviewAnswers - Math 52 Name:...

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Unformatted text preview: Math 52 Name: ___________________ J. Frewing Date: ___________________ Score:_________________/12 Chapter 4&5 Review 1 Chapter 4&5 Review Answers 1. Evaluate using the rules of exponents. a. 5 b. k 9 c. m 4 d. r 10 e. 6 1 z f. 16 12 h 16p g. 7 y h. 13 h i. 3 j. 1- k. 2 b l. 8 1 z 2. For the polynomial 3 2 8x 5x 9 10x-- +-- +-- +-- + first, write in descending order, then state: a. 10 b. 3 c. 3 d. 8 e. -9 f. 1 3. Simplify: a. 2 2 (8m m 3) (3m 2m 1)- +---- +---- +---- +--- = 2 5m m 4 + + + + + + + + b. 2 2 (2a 2a 2) (a 6a 8)- + +--- + +--- + +--- + +-- = 2 3a 8a 6-------- c. 2 2 (4x 3x) (4x x ) +-- +-- +-- +-- = 2 5x x- d. 2 2 (12y 3) (3 5y 7y ) + +-- + +-- + +-- + +-- = 2 5y 5y 6- +- +- +- + 4. Simplify a. 3 2 3x 12x- +- +- +- + b. 2 2 30x y xy- c. 2 5x 6x 8 +- +- +- +- d. 2 10x 31x 15- +- +- +- + e. 2 9y 30y 25- +- +- +- + f. 2 16m 9- g. 3 2 2x 11x 6x 28- + +- + +- + +- + + h. 2 2x 18x 40 + + + + + + + + 5. Convert to scientific notation: a....
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Chpt4&5 ReviewAnswers - Math 52 Name:...

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