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1. |
Use Cramer's rule to solve the system of equations. 
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A. |
(-0.4, -0.2) |
B. |
(0.011, 0.0055) |
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C. |
(0.2, 0.4) |
D. |
(0.4, 0.2) |
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Hint |
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2. |
If  and  is a right angle, what is the measure of  |
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A. |
130 |
B. |
135 |
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C. |
145 |
D. |
125 |
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Hint |
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3. |
Write a verbal expression for the algebraic expression (2 - y) × 6. |
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A. |
two minus y times six |
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B. |
two times six minus y |
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C. |
the difference, y less than two, times six |
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D. |
six times y minus two |
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Hint |
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4. |
Which inequality is graphed below? |
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A. |
x > -5 |
B. |
y > -5 |
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C. |
x < -5 |
D. |
x > -5 |
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Hint |
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5. |
Simplify  Assume the denominator is not equal to zero. |
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A. |
5xy2 |
B. |
5xy8 |
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C. |
1 |
D. |
 |
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Hint |
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6. |
Find the GCF of 14a2b4c and 56ab2c2 |
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A. |
56ab2c |
B. |
14ab2c |
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C. |
14a2b4c2 |
D. |
56a2b2c2 |
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Hint |
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7. |
Find the solution of 4x + 10 = 42
if the replacement set is {6, 7, 8, 9}. |
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A. |
7 |
B. |
8 |
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C. |
9 |
D. |
6 |
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Hint |
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8. |
Find the solution of 2(x – 5) = 30
if the replacement set is {19, 20, 21, 22}. |
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A. |
21 |
B. |
22 |
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C. |
20 |
D. |
19 |
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Hint |
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9. |
Simplify 7(b + 3) + 14. |
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A. |
7b + 35 |
B. |
42b |
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C. |
7b + 17 |
D. |
24b |
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Hint |
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10. |
Graph the set of numbers on a number line. {-5, -2, 1, 3, 4} |
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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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11. |
Find h(3a) if h(z) = z2 - 9z – 10. |
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A. |
9a2 - 27a – 10 |
B. |
-18a – 10 |
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C. |
-24a – 10 |
D. |
3a2 - 27a – 10 |
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Hint |
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12. |
Solve the system of equations given by y = 2x + 2 and  . |
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A. |
infinitely many solutions |
B. |
(4, -6) |
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C. |
(-3, -4) |
D. |
no solution |
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Hint |
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13. |
How many measurement classes are represented on the histogram? |
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A. |
14 |
B. |
70 |
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C. |
9 |
D. |
44 |
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Hint |
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14. |
A bag contains 10 red marbles, 5 gray marbles, 12 black marbles, and 8 white marbles. Two marbles are randomly drawn from the bag without replacement. What is the probability of drawing a black marble followed by a red marble? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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15. |
The table shows the results of rolling a number cube over three separate experiments. What is the experimental probability of rolling a two for all three experiments? |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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16. |
What is the mode of the number of rainy days each month? |
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A. |
7 |
B. |
8 |
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C. |
5 |
D. |
6 |
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Hint |
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17. |
Which relationship will most likely have a no correlation? |
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A. |
A person's height and a person's eye color. |
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B. |
Rising temperatures and ski equipment sales. |
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C. |
Battery power of a flashlight, and continued use of the flashlight. |
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D. |
Increasing snow inches, and sled sales. |
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Hint |
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18. |
Using the box-and-whisker plot, what is the first quartile of Exam B? |
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A. |
83 |
B. |
63 |
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C. |
75 |
D. |
72 |
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Hint |
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19. |
How could the graph be changed so it is not misleading? |
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A. |
Color should be added. |
B. |
Change the graph from vertical to horizontal. |
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C. |
Diameters of the cans should be the same. |
D. |
Change the vertical scale so that the maximum value is 100. |
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Hint |
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20. |
Which is the image of the figure shown when it is tuned 270° counter clockwise about the center point P? |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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