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1. |
Write the ordered pairs to represent the amount of hamburger and the price. |
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A. |
(1, $2.00), (1.5, $1.00) |
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B. |
(1, $2.00), (0.5, $1.00),
(1.5, $3.00), (0.25, $0.50) |
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C. |
($2.00, 1), (0.5, $1.00),
(1.5, $3.00), (0.25, $0.50) |
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D. |
(1, $2.00), (0.5, $1.00),
(1.5, $3.00), ($0.50, 0.25) |
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Hint |
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2. |
Based on the line plot, what is the most frequent score? |
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A. |
75 |
B. |
71 |
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C. |
21 |
D. |
100 |
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Hint |
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3. |
State the range of the function represented by the graph. |
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A. |
{1, 2, 4} |
B. |
{-1, 1, 2} |
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C. |
{-2, -1, 0, 2} |
D. |
{-1, 1, 2, 4} |
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Hint |
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4. |
Which scatter plot shows that x and y have no correlation? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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5. |
What percent of the data is between 62 and 90 for Exam B? |
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A. |
50% |
B. |
25% |
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C. |
100% |
D. |
75% |
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Hint |
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6. |
Use substitution to solve the system of equations given below.
8x - 4y = 16
2x - y = 4 |
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A. |
(0, -4) |
B. |
no solution |
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C. |
(2, 0) |
D. |
infinitely many solutions |
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Hint |
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7. |
Simplify (3a4b5c)4. |
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A. |
7a16b20c4 |
B. |
12a8b9c5 |
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C. |
3a16b20c4 |
D. |
81a16b20c4 |
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Hint |
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8. |
What are the real roots of the quadratic equation whose related function is graphed below? |
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A. |
-1, -3 |
B. |
3 |
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C. |
3, -1 |
D. |
-3, 1 |
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Hint |
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9. |
Solve  . |
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A. |
0 |
B. |
1 or 4 |
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C. |
-2 |
D. |
4 |
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Hint |
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10. |
Solve  . |
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A. |
no real solution |
B. |
0 |
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C. |
5 |
D. |
-1 |
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Hint |
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11. |
Name the property used in the equation x + 0 = 22. Then solve for x. |
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A. |
Additive Identity; x = 22 |
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B. |
Multiplicative Identity; x = 1 |
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C. |
Multiplicative Inverse; x =  |
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D. |
Multiplicative Property of Zero; x = 22 |
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Hint |
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12. |
Make a table showing the cost of buying 1 to 5 CDs if CDs cost $12 each. |
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A. |
 |
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B. |
 |
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C. |
 |
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D. |
 |
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Hint |
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13. |
Solve  |
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A. |
b > 54 |
B. |
b < 54 |
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C. |
 |
D. |
 |
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Hint |
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14. |
Use elimination to solve the system of equations given by –7x + 3y = 14 and 7x – 2y = -11. |
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A. |
no solution |
B. |
 |
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C. |
infinitely many solutions |
D. |
 |
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Hint |
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15. |
Use elimination to solve the system of equations given by 10x – 40y = 60 and 15x + 40y = -10. |
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A. |
(2, -1) |
B. |
infinitely many solutions |
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C. |
no solution |
D. |
(-14, -5) |
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Hint |
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16. |
Which of the following frequencies occurs most often? |
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A. |
10 |
B. |
8 |
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C. |
14 |
D. |
12 |
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Hint |
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17. |
Find the product (4n + 3)(4n – 3). |
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A. |
16n2 – 9 |
B. |
16n2 + 24n – 9 |
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C. |
16n2 + 9 |
D. |
16n2 – 24n – 9 |
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Hint |
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18. |
Solve . |
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A. |
7 only |
B. |
{6, 7} |
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C. |
{5, 8} |
D. |
8 only |
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Hint |
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19. |
Suppose a man that is 6 feet tall is standing near a street light that is 10 feet high. If the shadow that is cast extends 20 feet away from the light, how far away from the light is the man? |
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A. |
12 feet |
B. |
14 feet |
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C. |
8 feet |
D. |
6 feet |
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Hint |
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20. |
Using the figure, which expression is equal to cos 38°? |
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A. |
sin 38° |
B. |
sin 52° |
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C. |
tan 38° |
D. |
tan 52° |
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Hint |
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