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1. Do the operation and express the answer in a + bi form. Use fractions in your answer.
Indicate the answer choice that best completes the statement or answers the question.
2. Write the expression as a single radical. Then simplify your answer.
a.
b.
c.
d.
e.
3. Solve the following absolute value equation for q.
a. –3, 13
b. –3, –1
c. 13
d. –3, 3
e. –1
4. Place the correct symbol ( <, >, or = ) between the two real numbers.
| –4 | 4
a. | –4 | = 4
b. | –4 | ≥ 4
c. | –4 | ≤ 4
d. | –4 | < 4
e. | –4 | > 4
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5. Solve the inequality and graph the solution on the real number line.
a.
b.
c.
d.
e.
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6. Approximate the numbers and place the correct symbol (< or >) between them.
a. –4.5 > 2
b. –4.5 ≤ 2
c. –4.5 = 2
d. –4.5 < 2
e. –4.5 ≥ 2
7. Evaluate the expression without using a calculator.
a.
b.
c.
d. 128
e. –128
8. The height, h, in feet, of a baseball above the ground t seconds after it is hit is given by .
Use this equation to determine the number of seconds, to the nearest tenth of a second, from the time the ball is
hit until the ball hits the ground.
a. 3.8 s
b. 3.9 s
c. 4.0 s
d. 4.1 s
e. 4.2 s
9. Write the number in scientific notation.
12,000.4
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a. 1.20004 × 102
b. 12,000.4 × 102
c. 12,000.4 × 104
d. 1.20004 × 104
e. 1.20004 × 103
10. Simplify the radical expression.
a.
b.
c.
d.
e.
11. Solve the following equation (if possible) :
a. 7
b. -5
c. -7
d. 5
e. No solution
12. Simplify the following expression.
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