5.1 Part 1 Simplifying Radicals PC 11 Name_______________________________ Date: _________________________ Block_____ 1. Simplify a. 3 25 16 9 b. c. 3 3 d. 5 27 8 e. 4 2. Write in simplest radical form. a. e. 8 2 72 3 b. f. 3 45 c. 112 d. 54 g. 5 3 27 h. 74 80 10 12 3. Write each expression in simplest radical form. a. 25 x 2 b. e. 24x 7 y f. x7 c. 4x 9 y2 g. 3 c. 2 5 3 xy 5 d. 8x 4 y 2 h. 3 x3 25 96x 5 y 6 4. Write as an entire radical. a. 2 5 b. 3 7 e. 4 3 7 f. 23 7 5 d. 23 3 g. 24 3 h. 2 5 3 5. Write as an entire radical. a. x y b. xy x e. x 2 3 x f. 2x 4 y 2 c. 2xy x g. 1 3x 2x d. 3x 5 xy 3 h. 2x y2 6. Order each set of numbers from least to greatest. a. 24, 3 2 , 2 5 b. 2 5 , 3 7 , 3 2, 5 3 81 7. Identify the restrictions on the variables. a. 3 2a b. 3z 2 e) x 9 c. f. 3 y 2 3 g. x 12 d. 8y h. Simplify first , then determine the restriction. 5z 3 2 x5y2 8a. A square has an area of 48 cm2. Determine the side length of the square. b. Determine the length of the diagonal of the square. 9. A cube as a volume of 128 cm3. What is the length of each side? Answers: 1a. 15 b. 4 c. 2 d. 15 e. -3 3 3a. 5x b. x 3 20 b. 63 c. 5a. x 2 y b. x 3 y 2 c. 7e. 3 2 , 2 5 , 24 z 2 2 b. 3 5 x c. y 2 xy d. x e. 2 x 3 6xy 4a. 6a. 2a. b. 20 9 d. 3 24 4 x 3 y 4 d. 2 5, e. 3 c. 4 7 f. 2 x g. 2 x 3 xy 2 3y 448 f. 9 x11 y e. 3 3 56 125 x 7 f. 3 2 , 3 7 , 5 3 7a. a 2 f. no restrictions g. no restrictions h. x 3 20 3 e. 4 2 f. 33 2 g. 15 h. 14 4 5 d. 0 g. 4 0 4 48 h. x 9 5 96 3 h 4x 16x 4 y g. b. 4 xy 5 3 y h. c. 3 x 12 8a. 4 3 cm b. 4 6 9. 2x y6 d. z 43 2 3 5
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