Page 137 - Math Course 1 (Book 1)

Factoring

Your Turn!

Factor Monomials

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A. Factor the monomial 12a b. B. Factor the monomial –18mn .
A. 3 • 4 • a • a • a • b A. –18 • m • n • n
B. 12 • a • a • a • b B. –1 • 2 • 3 • 3 • m • n • n
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C. 2 • 2 • 3 • a • b C. –1 • 2 • 9 • m • n2
D. 2 • 2 • 3 • a • a • a • b D. –1 • 2 • 3 • 3 • m • n2

Answer Answer

Skill Practice!

Determine whether each number is prime or composite.
1. 41 2. 29

3. 87 4. 36

5. 57

Write the prime factorization of each number. Use exponents for repeated factors.
6. 20 7. 40

8. 32 9. 80

10. 90

Factor each monomial.

11. 15t 12. 16r 2

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13. -11m 14. -49y 3

15. 27d 4

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