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MAT1033 REVIEW SECTION 7.6 (DIVIDE RADICALS) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Simplify. Assume that all variables represent positive numbers. 12 1) 3 A) 2 2) 9 4 C) 3 B) 9 4 C) 9 4 D) 2 C) 9 2 D) 4 D) 2 3 81 4 9 2 A) 4) 2 3 81 16 A) 3) B) 21 7 B) 9 2 30 5 A) 3 6 B) 7 6 C) 3 5 D) 18 529 14 14 D) 23 Rationalize the denominator and simplify. 23 5) 14 A) 219 6) 14 14 C) 14 B) 10 10 10 C) D) 10 49 2 A) 11 8) 23 10 10 A) 1 7) B) B) 49 2 2 C) 7 2 D) 4 19 19 D) 7 2 2 4 19 A) 365 B) 4 19 C) 1 16 19 19 9 28 9) - A) - 3 7 14 B) -28 C) - 3 7 7 D) -3 7 2 3 10) A) 2 3 B) 2 3 3 C) 4 3 3 D) 11 C) 5 6 6 D) 5 6 C) 3x x 5 6 11) A) 25 6 6 B) 41 18 x 12) A) 3 2x B) 3 2 x D) 3 2x x 11y3 27y 13) A) 11y 3 B) y 33 9 C) 11 3 D) y 33 B) 10z 4 C) z 4 D) z 160 14) 10z A) 10z 40 Rationalize the denominator. Assume all variables represent positive numbers. 15) 3 6 5 3 A) 150 5 3 B) 3 750 5 C) 30 5 D) 150 5 16) 3 4 9x 2 3 A) 36x 9x 3 B) 3 324x 81 C) 2 324x 2 9x 3 D) 12x 3x 17) 3 3 5 6 A) 3 180 6 B) 3 1080 6 C) 30 6 C) 28 + 4 39 3 D) 180 6 Rationalize the denominator and simplify. 4 18) 7 - 10 A) 19) 21) 22) B) 28 - 4 39 10 10 D) 4 7 4 10 3 5 + 4 A) 20) 28 + 4 10 3 15 - 4 11 - 3 B) 15 - 4 9 3 C) - 15 + 4 11 3 D) 7 +4 3 -6 A) 21 - 24 + 4 33 3 -6 7 C) 21 - 24 + 4 39 3 -6 7 21 + 24 + 4 39 B) D) - 3 +6 21 - 24 - 4 33 7 3 -6 7 5 +8 7 -4 A) 35 - 32 + 8 7 - 4 5 9 C) 35 - 32 + 8 23 7 -4 B) 5 - 35 - 32 - 8 7 - 4 5 9 D) 35 + 32 + 8 23 7 +4 B) 4 5 - 10 + 4 14 + 8 2 2 5+1 4+ 2 A) C) 4 5+ 10 + 4 + 14 2 4 5- 10 + 4 14 2 D) 3 5- 10 + 4 14 2 5 3 15 + 5 20 3