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1. |
The cost of admission to a science museum is 12a + 5c, where a represents the number of adults and c represents the number of children. How much would it cost for 2 adults and 3 children to go to the museum? |
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A. |
$46 |
B. |
$39 |
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C. |
$22 |
D. |
$27 |
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Hint |
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2. |
Use the distributive property to rewrite 3(5 + y) without parentheses. |
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A. |
8 + 3y |
B. |
15 + y |
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C. |
15 + 3y |
D. |
8 + y |
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Hint |
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3. |
Two solid rocket boosters provide the main thrust to lift the space shuttle off the launching pad. Each booster weighs approximately 1.92 × 105 pounds. Express this weight in standard form. |
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A. |
192,000 pounds |
B. |
19,200 pounds |
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C. |
19,200,000 pounds |
D. |
0.0000192 pounds |
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Hint |
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4. |
What is the volume of a shoebox that measures 14 inches by 8 inches by 8 inches? |
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A. |
176 in3 |
B. |
224 in3 |
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C. |
896 in3 |
D. |
112 in3 |
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Hint |
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5. |
Which is the graph of y = 2.5x? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Which equation represents exponential decay? |
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A. |
y = 1.05(0.95)x |
B. |
y = 1.7(1.06)x |
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C. |
y = 2.62(1.22)x |
D. |
y = 0.86(1.46)x |
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Hint |
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7. |
Find 53 · 57 |
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A. |
25-4 |
B. |
510 |
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C. |
2510 |
D. |
54 |
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Hint |
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8. |
Factor the polynomial 3x + 3. |
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A. |
3(x - 1) |
B. |
3(x + 3) |
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C. |
3(x + 1) |
D. |
3(x - 3) |
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Hint |
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9. |
Use the flowchart to backtrack and find the solution. |
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 |
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A. |
7 |
B. |
9 |
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C. |
8 |
D. |
18 |
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Hint |
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10. |
Find an explanation for the expression s + 3. |
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A. |
If s is the number of students in the classroom, s + 3 is the number of students after 3 students leave the class. |
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B. |
If s is the number of sunny days, s + 3 is the number of sunny days 3 years ago. |
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C. |
If s is the number of sunny days, s + 3 is the number of sunny days in March, the third month of the year. |
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D. |
If s is the number of students in the classroom, s + 3 is the number of students after 3 new students join the class. |
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Hint |
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11. |
Find an expression for the number of blocks in Stage s. |
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 |
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A. |
s + 1 |
B. |
2s + 1 |
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C. |
s2 |
D. |
2s2 |
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Hint |
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12. |
Use the net's measurements to find the volume of the cylinder. |
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A. |
461.8 cm3 |
B. |
197.9 cm3 |
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C. |
285.9 cm3 |
D. |
207.3 cm3 |
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Hint |
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13. |
Rewrite 123 × 73 using a single base. |
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A. |
199 |
B. |
193 |
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C. |
849 |
D. |
843 |
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Hint |
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14. |
Rewrite k9 ÷ k3 using a single base. |
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A. |
k6 |
B. |
3k3 |
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C. |
k3 |
D. |
k27 |
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Hint |
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15. |
Rewrite 94 ÷ 34 using a single base. |
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A. |
316 |
B. |
34 |
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C. |
38 |
D. |
31 |
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Hint |
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16. |
Rewrite Iz ÷ jz using a single base. |
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A. |
 |
B. |
(i – j)z |
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C. |
 |
D. |
 |
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Hint |
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17. |
Simplify (35)8. |
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A. |
340 |
B. |
158 |
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C. |
33 |
D. |
313 |
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Hint |
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18. |
Simplify (153)2. |
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A. |
156 |
B. |
151 |
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C. |
157 |
D. |
155 |
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Hint |
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19. |
Simplify (d1)26. |
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A. |
d25 |
B. |
d26 |
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C. |
26d |
D. |
d27 |
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Hint |
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20. |
Use your calculator to evaluate the expression.
(5.9 × 108) × (2.4 × 109) |
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A. |
1.416 × 1018 |
B. |
1.416 × 1012 |
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C. |
1.416 × 1016 |
D. |
1.416 × 1017 |
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Hint |
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