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Algebra 1 - MathnMind

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8-1<br />

Determine whether each expression is a monomial. Write yes or no. Explain.<br />

1.<br />

2.<br />

21a 2<br />

7b<br />

b 3 c 2<br />

2<br />

Simplify.<br />

3. (5x 2 y)(3x 4 ) 4. (2ab 2 c 2 )(4a 3 b 2 c 2 )<br />

5. (3cd 4 )(2c 2 ) 6. (4g 3 h)(2g 5 )<br />

7. (15xy4 ) xy3 8. (xy) 3 (xz)<br />

9. (18m2n) 2 mn2 10. (0.2a2b3 ) 2<br />

1<br />

<br />

3<br />

1<br />

<br />

6<br />

11. p 2 2<br />

<br />

3<br />

12. cd3 2 1<br />

13. (0.4k 3 ) 3 14. [(4 2 ) 2 ] 2<br />

GEOMETRY Express the area of each figure as a monomial.<br />

15. 16. 17.<br />

GEOMETRY Express the volume of each solid as a monomial.<br />

18. 19. 20.<br />

3h 2<br />

NAME ______________________________________________ DATE ____________ PERIOD _____<br />

Practice<br />

Multiplying Monomials<br />

6a2b4 3h 2<br />

3h 2<br />

3ab 2<br />

5x 3<br />

m 3n<br />

21. COUNTING A panel of four light switches can be set in 2 4 ways. A panel of five light<br />

switches can set in twice this many ways. In how many ways can five light switches<br />

be set?<br />

22. HOBBIES Tawa wants to increase her rock collection by a power of three this year and<br />

then increase it again by a power of two next year. If she has 2 rocks now, how many<br />

rocks will she have after the second year?<br />

© Glencoe/McGraw-Hill 458 Glencoe <strong>Algebra</strong> 1<br />

4<br />

mn 3<br />

n<br />

4a 2c<br />

3g<br />

6ac 3<br />

7g 2

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