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