Chapter 4.1-4.4 review - Questionário
- 1. What is the prime factorization of 72?
A) 2x2x3x3
B) 2x3x2x3x2
C) 2x2x2x3x3
D) 2x3x3x3
- 2. What is the prime factorization of 65?
A) 13x1x5
B) 5x13
C) 1x5x13
D) 13x5
- 3. What is the prime factorization of 153?
A) 2x3x17
B) 17x3x3
C) 17x33
D) 3x3x17
- 4. What is the prime factorization of 196?
A) 2x7x2x7
B) 7x7x7x7
C) 1x2x2x7x7
D) 2x2x7x7
- 5. Factor the monomial 25pq.
A) pxq
B) 4x5xpxq
C) 5x5xpxq
D) 1x25pq
- 6. Factor the monomial 7a3.
A) 1x7xaxaxa
B) 7xaxaxa
C) 7xaxa
D) 7xaxaxaxa
- 7. Factor the monomial 22yz2.
A) 2x2x2xyxzxz
B) 22xyxz
C) 2x11xyxzxz
D) 1x2x11xyxz
- 8. Factor the monomial 54s2t.
A) 2x2x3x3xsxsxt
B) 2x3x3x3xsxsxt
C) 2x3x3x3
D) sxsxt
- 9. What is the GCF of 45 & 75?
A) 10
B) x
C) 15
D) 5
- 10. What is the GCF of 108 &162?
A) 2
B) 4
C) 8
D) 54
- 11. What is the GCF of 6bc &35abc2?
A) 3
B) c
C) bc
D) 5
- 12. What is the GCF of 21mn & 9km2?
A) 3n
B) 3m
C) 7m
D) 3mn
- 13. Write the fraction in simplest form 32/64.
A) 1/2
B) 2/4
C) 4/8
D) 8/16
- 14. Write the fraction in simplest form -15/39.
A) relatively prime
B) -1
C) 5/13
D) -5/13
- 15. Write the fraction in simplest form 17/51.
A) relatively prime
B) 2/6
C) 1/3
D) 3/9
- 16. Write the fraction in simplest form 10x/45xy.
A) 2/9
B) 2y/9y
C) 2/9y
D) 5/15y
- 17. Write the fraction in simplest form -6ab/4bc.
A) -3a/2c
B) 3/2
C) -3a/2
D) -3/2
- 18. Find the LCM of 20, 40, and 80.
A) 80
B) 160
C) 20
D) 40
- 19. Find the LCM of 4x & 18xy2
A) 36x
B) 36xy2
C) 4x
D) 36xy
- 20. Find the LCM of 5ab2 and 3bc2.
A) 5abc
B) -15ab2c2
C) 15ab2c2
D) 15b2
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