Fundamentals of Math - old

Fundamentals of Mathematics

Chapter 3 Practice Quiz 1. How would you write the product of (3 7 )( 3 2 ) as a single power?

7. Which value of satisfies the equation: 4( − 6) = −4 ? a. = 6 b. = 5 c. = 7 d. = −7 8. Which value of a satisfies the equation: 5 10 = −3 2 ? a. = −10 b. = −4 c. = 4 d. = 5

a. 3 9 b. 3 5 c. 3 14 d. 19,683

2. Evaluate: (2 + 3) 2 − (3 − 5) 3 a. 17 b. −85

c. 16 d. 33

3. Simplify the radical: √44 a. 22 b. √44

9. Which ratio is different from the others? a. 7 to 11

c. 2√11 d. 4√11

b. 11:7 c. 7:11 d. 7 11

4. How would you express √2 8 4 as an exponent? a. 2 8/4 b. 2 4 8

10. Last year, the band Smooth Blues sold 640 tickets to their fall showcase. This year, they only sold 448 tickets. What is the percent decrease? a. 19.2%

2 8 8 2

c. 4

d. 4

b. 25% c. 30% d. 33%

5. How would you simplify the expression: + 4 + 9 + 4 + 2 ? a. 11 + 9 b. 5 + 6 + 9 c. 11 + 9 d. 5 + 4 + 9 6. Which value of satisfies the equation: 51 + 5 − 3 = 58 ? a. = −2 b. = −1 c. = 4 d. = 2

Answer Key on Page 120

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