Write as a radical expression 2 34 a 2 4 b 4 2 c 3 2

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22. Write as a radical expression: 2 3/4 . A. 2 4 B. 4 2 3 2 4 D. 4 2 C. 3 23. Which of the following has a root of an imaginary number?
32 11 D. 3 x
28. Multiply and then simplify: 2 7 y 6 y 4 y 8y C. 3 D. 12
31. If d varies directly as t and inversely as m, then which of the following equations describes the relation among the three variables d, t, and m ? k tm t
32. What is the side length of the square whose area is 256 cm 2 ? A. 128cm B. 64cm C. 16 cm D. 8 cm 33. What is the value of x in the equation 3 x 8 = 5 ? A. 11 B. C. 13 D. 12 15
34. The area of a triangle varies jointly as the base and the altitude. A triangle whose altitude is 28 cm and whose base is 6 cm has an area of 84 cm 2 . Find the altitude of a triangle of equal area whose base is 8cm. D. 42
35. Find the number of days 6 workers can complete a painting job if 4 workers can do it in 12 days. 2 days
36. C. 80

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