Pre-Algebra Chapter 5 Review

1) Write each fraction as a decimal. 7 8 - 9 13 - 3 25 Chapter 5 Review 1) Write each fraction as a decimal. 7 8 - 9 13 - 3 25

Answer 1) Write each fraction as a decimal. 7 = 0.875 8 - = - 0.7 9 13 Chapter 5 Review 1) Write each fraction as a decimal. 7 = 0.875 8 - = - 0.7 9 13 - 3 = - 3.52 25

2) Write each decimal as a fraction. 1.625 - 0.2 Chapter 5 Review 2) Write each decimal as a fraction. 1.625 - 0.2

- 0.2 = - 0.2 = Answer 2) Write each decimal as a fraction. 5 13 Chapter 5 Review 2) Write each decimal as a fraction. 5 13 1.625 = 1 = 8 8 -1 - 0.2 = 5 -2 - 0.2 = 9

3) Compare using >, <, or =. 3 < 0.2 16 9 12 > 17 25 Chapter 5 Review 3) Compare using >, <, or =. 3 < 0.2 16 9 12 > 17 25

3) Compare using >, <, or =. 3 < 0.2 16 9 12 > 17 25 Answer Chapter 5 Review 3) Compare using >, <, or =. 3 < 0.2 16 9 12 > 17 25

4) Compare using >, <, or =. -8 < -0.8 9 0.7 > 0.7 Chapter 5 Review 4) Compare using >, <, or =. -8 < -0.8 9 0.7 > 0.7

4) Compare using >, <, or =. -8 = -0.8 9 0.7 < 0.7 Answer Chapter 5 Review 4) Compare using >, <, or =. -8 = -0.8 9 0.7 < 0.7

(4 ) (2 ) 5) a) = b) + = c) ÷ = Chapter 5 Review 3 4 3 5 3 5 8 5 8 6 8 (4 ) 8 4 (2 ) 5 3 8 5 6 3 8 5 6

(4 ) (2 ) 12 1 Answer 5) a) = = b) + = = c) ÷ = Chapter 5 Review 3 4 1 (4 ) 8 4 (2 ) 5 1 12 4 49 4 3 8 5 6 29 24 5 1 24 3 8 5 6 9 20

Chapter 5 Review 6) a) - = b) - = 2x 3 1 5 2 1 3 5 6

1 Answer 6) a) - = b) - = Chapter 5 Review 2x 1 10 x - 3 2 5 5 3 5 15

x -1 y x 7) a) + = b) = c) + = Chapter 5 Review 2 1 8 5 1 2 4 3 5 9 6

x -1 -1 y x Answer 7) a) + = x = = b) = y = c) + = x = Chapter 5 Review x 7) a) + = x = = b) = y = c) + = x = 2 3 1 -1 5 -28 15 13 -1 15 8 y 9 5 6 15 16 1 x 2 2 3 4 5 4 15

8) Simplify using positive exponents. a) b) Chapter 5 Review 8) Simplify using positive exponents. a) b) 3xy4 15x2y (3xy2)3 27xy

8) Simplify using positive exponents. a) = b) = x2y5 Answer Chapter 5 Review 8) Simplify using positive exponents. a) = b) = x2y5 3xy4 15x2y y3 5x (3xy2)3 27xy