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