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# Algebra practice exam 1 MATH 109

UWEC

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This 12 page Study Guide was uploaded by Krisha Hamblin on Thursday September 10, 2015. The Study Guide belongs to MATH 109 at University of Wisconsin - Eau Claire taught by Anand D. Sharma in Summer 2015. Since its upload, it has received 38 views. For similar materials see Algebra for Calculus in Math at University of Wisconsin - Eau Claire.

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Date Created: 09/10/15

Algebra practice exam 1 Find all the factors 1 81 2 36 3 10 Find the prim factorization of the numbers 1 15 2 4O 3 91 Find the prime factorization of the numbers then the LCM 1 24 36 12 28 3 3 15 Answers Find all Factors 1 81 81327 a 2739 b 933 93381 2 36 362 18 a 182 9 b 93 3 c 93 18 3 10 102 5 Algebra practice exam 1 a 5210 Find the prim factorization of the numbers 1 15 a 5315 a 10440 b 5222 40 a 71291 b 73491 7 3 2 291 Find the prime factorization of the numbers then the LCM 1 24 36 a 242 12 b 6 2 2 24 c 2 62 24 d 2 322 24 e 362 18 f 2 182 2 36 g 2 92 36 h 2 332 36 2 12 28 a 122 6 b 3 2 2 12 3 3 15 a 3 b 153 5 c 5 3 15 Algebra Review Notes Factors and Prime Factorizations 0 To factor a number means to express the number as a product 0 Example 6 2 3 0 Factors of 6 are 2 and 3 o 2 3 is a factorization of 6 A natural number that has exactly two different factors itself and 1 prime number Example 0 Which of these numbers is a prime number 74 11 1 o 7 is a prime number Factors are 1 and 7 o 4 is not a prime number There are three factors 1 2 and 4 o 11 is a prime number Factors and 1 and 11 o 1 is a prime number No factors If a number other than 1 is not a prime it is a composite These numbers can be factored into a product of a prime number Example 0 48 412 0 Factors 4 and 12 are not prime so we can factor them Algebra Review Notes 0 422 0 1262 0 12322 We want to factor numbers until every number is a prime number Least Common Multiple o The multiples of a number all have that number as a factor 0 Multiples of 3 3 6 9 12 15 Algebra Review Notes Factors and Prime Factorizations 0 To factor a number means to express the number as a product 0 Example 6 2 3 0 Factors of 6 are 2 and 3 o 2 3 is a factorization of 6 A natural number that has exactly two different factors itself and 1 prime number Example 0 Which of these numbers is a prime number 74 11 1 o 7 is a prime number Factors are 1 and 7 o 4 is not a prime number There are three factors 1 2 and 4 o 11 is a prime number Factors and 1 and 11 o 1 is a prime number No factors If a number other than 1 is not a prime it is a composite These numbers can be factored into a product of a prime number Example 0 48 412 0 Factors 4 and 12 are not prime so we can factor them Algebra Review Notes 0 422 0 1262 0 12322 We want to factor numbers until every number is a prime number Least Common Multiple o The multiples of a number all have that number as a factor 0 Multiples of 3 3 6 9 12 15 Algebra Review Notes Factors and Prime Factorizations 0 To factor a number means to express the number as a product 0 Example 6 2 3 0 Factors of 6 are 2 and 3 o 2 3 is a factorization of 6 A natural number that has exactly two different factors itself and 1 prime number Example 0 Which of these numbers is a prime number 74 11 1 o 7 is a prime number Factors are 1 and 7 o 4 is not a prime number There are three factors 1 2 and 4 o 11 is a prime number Factors and 1 and 11 o 1 is a prime number No factors If a number other than 1 is not a prime it is a composite These numbers can be factored into a product of a prime number Example 0 48 412 0 Factors 4 and 12 are not prime so we can factor them Algebra Review Notes 0 422 0 1262 0 12322 We want to factor numbers until every number is a prime number Least Common Multiple o The multiples of a number all have that number as a factor 0 Multiples of 3 3 6 9 12 15 Algebra practice exam 1 Find all the factors 1 81 2 36 3 10 Find the prim factorization of the numbers 1 15 2 4O 3 91 Find the prime factorization of the numbers then the LCM 1 24 36 12 28 3 3 15 Answers Find all Factors 1 81 81327 a 2739 b 933 93381 2 36 362 18 a 182 9 b 93 3 c 93 18 3 10 102 5 Algebra practice exam 1 a 5210 Find the prim factorization of the numbers 1 15 a 5315 a 10440 b 5222 40 a 71291 b 73491 7 3 2 291 Find the prime factorization of the numbers then the LCM 1 24 36 a 242 12 b 6 2 2 24 c 2 62 24 d 2 322 24 e 362 18 f 2 182 2 36 g 2 92 36 h 2 332 36 2 12 28 a 122 6 b 3 2 2 12 3 3 15 a 3 b 153 5 c 5 3 15 Algebra practice exam 1 Find all the factors 1 81 2 36 3 10 Find the prim factorization of the numbers 1 15 2 4O 3 91 Find the prime factorization of the numbers then the LCM 1 24 36 12 28 3 3 15 Answers Find all Factors 1 81 81327 a 2739 b 933 93381 2 36 362 18 a 182 9 b 93 3 c 93 18 3 10 102 5 Algebra practice exam 1 a 5210 Find the prim factorization of the numbers 1 15 a 5315 a 10440 b 5222 40 a 71291 b 73491 7 3 2 291 Find the prime factorization of the numbers then the LCM 1 24 36 a 242 12 b 6 2 2 24 c 2 62 24 d 2 322 24 e 362 18 f 2 182 2 36 g 2 92 36 h 2 332 36 2 12 28 a 122 6 b 3 2 2 12 3 3 15 a 3 b 153 5 c 5 3 15

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