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1. |
A direct variation equation has (-2, 4) and (n, -8) as solutions. Find the missing value. |
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A. |
-2 |
B. |
4 |
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C. |
1 |
D. |
16 |
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Hint |
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2. |
Use elimination to solve the system of equations.
-x + 2y = 18
x + 8y = -38 |
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A. |
 |
B. |
(-5, -1) |
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C. |
 |
D. |
(-22, -2) |
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Hint |
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3. |
Simplify (3a4b2)2 (2a3bc2)3. |
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A. |
6a17b7c6 |
B. |
36a17b7c6 |
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C. |
72a17b7c6 |
D. |
17a12b8c5 |
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Hint |
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4. |
The area of the rectangle shown below is 4x3y2, and its base b is 2x5y. Find the height, h. |
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A. |
 |
B. |
2x2y |
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C. |
 |
D. |
8x8y3 |
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Hint |
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5. |
What is the surface area of the solid below? |
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 |
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A. |
62 units2 |
B. |
124 units2 |
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C. |
31 units2 |
D. |
93 units2 |
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Hint |
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6. |
Factor x2 - y4 |
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A. |
(x + y2)(x + y)(x – y) |
B. |
(x + y)(x – y) |
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C. |
(x - y2)(x - y2) |
D. |
(x - y2)(x + y2) |
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Hint |
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7. |
Factor 6a3b5 – 15a2b. |
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A. |
3a2b(2ab4 - 5) |
B. |
3(2a3b5 - 5a2b) |
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C. |
ab(6a2b4 - 15a) |
D. |
3a3b(2ab2 - 5) |
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Hint |
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8. |
Find the distance between points with coordinates (3, -4) and (-6, 5). |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
Find m MOP if mMON = 4x + 9 and mMOP = 3x - 3. |
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A. |
57 |
B. |
33 |
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C. |
12 |
D. |
45 |
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Hint |
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10. |
Simplify 12f + 6(3 + 4f). |
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A. |
54f |
B. |
36f + 18 |
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C. |
34f |
D. |
16f + 18 |
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Hint |
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11. |
If KL = 27, find the measure of the dilation image for a scale factor of  . |
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A. |
9 |
B. |
24 |
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C. |
30 |
D. |
81 |
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Hint |
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12. |
Which scatter plot shows that x and y have a positive correlation? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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13. |
Find the range of {120, 42, 62, 44, 20, 42, 112}. |
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A. |
42 |
B. |
63 |
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C. |
100 |
D. |
44 |
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Hint |
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14. |
What is the range of the stem-and-leaf plot? |
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A. |
71 |
B. |
84 |
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C. |
67 |
D. |
77 |
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Hint |
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15. |
Using the box-and-whisker plot, what is the least value of the data for exam A? |
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A. |
50 |
B. |
83 |
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C. |
65 |
D. |
45 |
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Hint |
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16. |
What appears to happen in the graph? |
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A. |
Production dropped in half each month. |
B. |
Production has decreased slightly. |
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C. |
Production has doubled each month. |
D. |
Production increased each month. |
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Hint |
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17. |
What is B + C? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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18. |
In problem solving, a ______?______ is a model of a situation in which you carry out the trials, collect data and calculate probabilities. |
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A. |
simulation |
B. |
table |
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C. |
diagram |
D. |
pattern |
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Hint |
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19. |
Half of Tom's age, increased by 19, divided by 3 and then multiplied by 6 is 54. How old is Tom? |
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A. |
44 |
B. |
74 |
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C. |
4 |
D. |
16 |
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Hint |
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20. |
What best describes the three-dimensional figure formed by the net shown? |
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A. |
cone |
B. |
cube |
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C. |
rectangular prism |
D. |
sphere |
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Hint |
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