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1. |
Multiply 0.25 × 103. |
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A. |
25 |
B. |
0.00025 |
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C. |
250 |
D. |
25,000 |
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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. |
15 + 3y |
B. |
8 + y |
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C. |
15 + y |
D. |
8 + 3y |
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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. |
19,200 pounds |
B. |
192,000 pounds |
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C. |
19,200,000 pounds |
D. |
0.0000192 pounds |
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Hint |
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4. |
Many children grow at a predictable rate. The function f(n) = 2.65n + 28.9 can be used to estimate the height in inches for a boy who is n years old. The function is accurate until about age 13. Complete the function table. |
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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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5. |
Find 2 – (–5). |
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A. |
–7 |
B. |
7 |
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C. |
–3 |
D. |
3 |
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Hint |
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6. |
Find –4 – 6. |
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A. |
2 |
B. |
–10 |
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C. |
10 |
D. |
–2 |
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Hint |
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7. |
Find 2(–8). |
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A. |
8 |
B. |
16 |
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C. |
–32 |
D. |
–16 |
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Hint |
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8. |
Find the volume of the cylinder below to the nearest tenth. |
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A. |
603.2 cm3 |
B. |
301.6 cm3 |
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C. |
150.8 cm3 |
D. |
2412.7 cm3 |
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Hint |
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9. |
Find the volume of a cylindrical fuel storage tank that has a radius of
9 meters and a height of 14 meters. |
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A. |
3562.6 m3 |
B. |
890.6 m3 |
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C. |
5541.8 m3 |
D. |
14,250.3 m3 |
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Hint |
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10. |
Find two ways to write the rule for the table. |
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A. |
3(x + 4), 3x + 12 |
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B. |
3(x + 12), 3x + 36 |
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C. |
3(x + 4), 3x + 15 |
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D. |
15x |
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Hint |
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11. |
Into what figure does the following net fold? |
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A. |
cube |
B. |
square pyramid |
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C. |
cylinder |
D. |
triangular pyramid |
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Hint |
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12. |
Rewrite a4 × b4 using a single base. |
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A. |
ab8 |
B. |
a4b4 |
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C. |
ab4 |
D. |
ab16 |
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Hint |
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13. |
Which expression describes this pattern of numbers:
4, 16, 64, 256, 1,024. |
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A. |
4 + x |
B. |
4x |
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C. |
4x |
D. |
x4 |
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Hint |
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14. |
The graph of the Celsius-Kelvin temperature conversion formula, K = C + 273, is shown below. For which temperatures are the Kelvin and Celsius temperatures both positive? |
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A. |
temperatures greater than 0°C |
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B. |
temperatures greater than 0 K |
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C. |
temperatures less than 150°C |
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D. |
temperatures greater than –273 K |
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Hint |
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15. |
In which quadrant are positive x-coordinates and negative
y-coordinates located? |
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A. |
Quadrant II |
B. |
Quadrant III |
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C. |
Quadrant I |
D. |
Quadrant IV |
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Hint |
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16. |
Simplify the expression.
–24x ÷ –4x-3 |
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A. |
 |
B. |
6x4 |
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C. |
 |
D. |
 |
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Hint |
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17. |
This is a table showing the time and distance Lou ran. How fast did Lou run? |
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A. |
112.5 m/s |
B. |
4.5 m/s |
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C. |
27.5 m/s |
D. |
6.5 m/s |
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Hint |
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18. |
Find a solution to the equation using guess-check-and-improve.
–25 – 3k = –7 + 3k |
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A. |
k = –3 |
B. |
k = –6 |
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C. |
k = 1 |
D. |
k = 4 |
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Hint |
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19. |
Nine more than a number is the same as 18 less than 4 times the same number. What is the number? |
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A. |
y = –9 |
B. |
y = –8 |
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C. |
y = 9 |
D. |
y = 8 |
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Hint |
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20. |
Simplify the expression.w – z(x + y) |
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A. |
w + zx + zy |
B. |
w – zx – zy |
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C. |
w – zx – y |
D. |
w – zx + zy |
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Hint |
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