Chapter 4 Pre Algebra Test Review

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Questions Responses

GCF

Prime Factorization

LCM

Exponents

Computational

100

Find the GCF:

18 and 24

6

100

Find the prime factorization of:

48

$2 xx 2 xx 2 xx 2 xx 3$

or 2⁴ x 3

100

Find the LCM:

6 and 10

30

100

$a^2 xx a^4$

a⁶

100

Answer in simplest form:

$2/3 + 2/12$

$5/6$

200

Find the GCF:

60 and 30

30

200

Find the prime factorization of:

72

$2 xx 2 xx 2 xx 3 xx 3$

200

Find the LCM:

9 and 12

36

200

$4x^2 xx 3x$

12x³

200

Answer in simplest form:

$(4x)/15 + (3x)/5$

$(13x)/15$

300

Find the GCF:

12xy and 15x²y³

3xy

300

Find the prime factorization of:

24x²y³

$2 xx 2 xx 2 xx 3 xx x xx x xx y xx y xx y$

300

Find the LCM:

22 and 38

418

300

$(3x^5)/(12x^2)$

$(x^3)/(4)$

300

Simplest form:

$-1/2 + 2/7$

$-3/14$

400

Find the GCF:

27ab² and 48bc

3b

400

Find the prime factorization of:

84ab²

$2 xx 2 xx 3 xx 7 xx a xx b xx b$

400

Find the LCM:

15 and 21

105

400

25b⁰

25

400

Simplest form:

$x + 2/4 = 6/8$

x =

$1/4$

500

Find the GCF:

36x²y and 16xy

4xy

500

Find the prime factorization:

75mn²

3 x 5 x 5 x m x n x n

500

Find the LCM:

30x²and 45xy²

90x²y2

500

$a^-2 xx a^-5$

$1/(a^7)$

500

Simplest form:

$x - 5/12 = -3/12$

$x = 1/6$