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