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1. |
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A. |
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B. |
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C. |
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D. |
[10 37] |
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Hint |
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2. |
Which point do planes DHC, EHF, and BFG have in common? |
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A. |
F |
B. |
B |
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C. |
H |
D. |
G |
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Hint |
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3. |
Use substitution to solve the system of equations.
5x + 5y = -30
2x - y = 15 |
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A. |
(3, -9) |
B. |
infinitely many solutions |
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C. |
(21, 27) |
D. |
no solution |
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Hint |
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4. |
The measures of a pair of base angles of an isosceles trapezoid are
7x - 12 and 5x + 6. Find the value of x. |
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A. |
3 |
B. |
6 |
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C. |
9 |
D. |
12 |
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Hint |
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5. |
Find –8x3y2(3xy4 – 2x5 – y). |
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A. |
–5x4y6 - 10x8y2 - 9x3y3 |
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B. |
–24x4y6 + 16x15y2 + 8x3y3 |
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C. |
–24x4y6 + 16x8y2 + 8x3y3 |
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D. |
–24x4y6 - 16x8y2 + 8x3y3 |
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Hint |
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6. |
Find the area of the figure. |
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A. |
162 in2 |
B. |
80 in2 |
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C. |
186 in2 |
D. |
240 in2 |
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Hint |
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7. |
Find the volume of the pyramid to the nearest tenth. |
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A. |
186.2 cm3 |
B. |
98 cm3 |
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C. |
307.9 cm3 |
D. |
73.5 cm3 |
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Hint |
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8. |
Factor 8ac + 12ad + 10bc + 15bd. |
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A. |
(2c + 3d) + (4a + 5b) |
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B. |
4a(2c + 3d) + 5b(2c + 3d) |
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C. |
(2c + 3d)(4a + 5b) |
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D. |
(8ac + 12ad) + (10bc + 15bd) |
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Hint |
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9. |
Find the circumference and the area of a circle with radius 11.2 cm. Round to the nearest tenth. |
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A. |
67.9 cm, 328.9 cm2 |
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B. |
70.4 cm, 394.1 cm2 |
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C. |
64.5 cm, 284.6 cm2 |
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D. |
85.1 cm, 494.2 cm2 |
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Hint |
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10. |
A line of fit is drawn on a scatter plot showing the number of pets owned by automobile owners and the number of miles driven each month. What would probably be the best description of the slope of this line? |
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A. |
negative |
B. |
undefined |
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C. |
zero |
D. |
positive |
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Hint |
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11. |
Factor x2 + 6x – 7. |
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A. |
(x + 1)(x – 7) |
B. |
(x + 3)(x + 3) |
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C. |
(x – 3)(x – 3) |
D. |
(x – 1)(x + 7) |
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Hint |
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12. |
Suppose three coins are tossed. What is the probability that two will turn up heads, and one turn up tails? |
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A. |
0.75 |
B. |
0.125 |
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C. |
0.625 |
D. |
0.375 |
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Hint |
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13. |
Which answer shows all the possible subsets of {3, 7}? |
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A. |
{3,7}, |
B. |
{3,7}, {3}, {7}, |
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C. |
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D. |
{3}, {7}, |
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Hint |
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14. |
Which is a graph showing the set of real numbers from -1 to 2 inclusive? |
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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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15. |
 is a real number and  and  is a real number and  Which is the graph of  |
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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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16. |
If  and  , what reason proves that  |
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A. |
If two angles are vertical angles then they are equal in measure. |
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B. |
If two parallel lines are cut by a transversal, then alternate interior angles are equal in measure. |
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C. |
Angle Addition Property |
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D. |
Transitive Property |
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Hint |
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17. |
Two bases of a trapezoid are (6x + 7) cm and (14x – 3) cm. If the median is 52 cm, what is the value of x? |
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A. |
20 |
B. |
5 |
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C. |
52 |
D. |
104 |
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Hint |
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18. |
Compute the variance and standard deviation for the set of {7,7,7,7}. Round to the nearest tenth. |
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A. |
0; 0 |
B. |
0; 7 |
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C. |
0; 28 |
D. |
7; 0 |
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Hint |
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19. |
Factor x2 + 8x + 12. |
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A. |
(x + 6)(x + 2) |
B. |
(x - 3)(x - 4) |
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C. |
(x - 6)(x - 2) |
D. |
(x + 3)(x + 4) |
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Hint |
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20. |
What is the coefficient of the last term in the polynomial expansion for (a + b)5? |
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A. |
1 |
B. |
10 |
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C. |
5 |
D. |
6 |
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Hint |
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