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1. |
Solve the equation 3x + 7 = 5x - 2. |
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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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2. |
Write an equation that relates the following ordered pairs. |
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A. |
x = y – 3 |
B. |
y = x + 3 |
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C. |
y = x – 3 |
D. |
y = x – 5 |
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Hint |
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3. |
What number is 34% of 65? |
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A. |
52.3 |
B. |
19.1 |
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C. |
41.2 |
D. |
22.1 |
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Hint |
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4. |
Express the ratio 15 red marbles out of 50 marbles as a fraction in simplest form. |
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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. |
The function f(n) = 2.65n + 28.9 estimates the height in inches for a boy who is n years old. Choose values for n and graph the function. |
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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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6. |
Use the clues on the dot diagram to find the unknown values. |
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A. |
a = 10, b = 22 |
B. |
a = 5, b = 17 |
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C. |
a = 3, b = 15 |
D. |
a = 1, b = 11 |
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Hint |
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7. |
Factor the expression.24x2 – 54x |
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A. |
6x(4x – 9) |
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B. |
6(4x2 – 9x) |
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C. |
6x(4x – 9x) |
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D. |
6x2 (4x – 9) |
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Hint |
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8. |
Find an expression for the number of blocks in Stage s. |
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A. |
s2 |
B. |
2s2 |
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C. |
s + 1 |
D. |
2s + 1 |
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Hint |
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9. |
Find the surface area of a soup can that has a height of 12 cm and a diameter of 8 cm. |
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A. |
703.7 cm2 |
B. |
1,206.4 cm2 |
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C. |
402.1 cm2 |
D. |
1,005.3 cm2 |
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Hint |
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10. |
Evaluate –52. |
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A. |
–25 |
B. |
–10 |
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C. |
10 |
D. |
25 |
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Hint |
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11. |
The graph of the Celsius-Kelvin temperature conversion formula, K = C + 273, is shown below. For which temperatures are the Kelvin temperatures positive and the Celsius temperatures negative? |
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A. |
temperatures greater than 273 K |
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B. |
temperatures between 0°C and 100°C |
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C. |
temperatures greater than –100°C |
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D. |
temperatures between 0 K and 273 K |
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Hint |
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12. |
In which quadrant are positive x-coordinates and negative
y-coordinates located? |
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A. |
Quadrant I |
B. |
Quadrant IV |
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C. |
Quadrant II |
D. |
Quadrant III |
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Hint |
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13. |
Find how many blocks are in each bag to balance the scale. |
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A. |
4 |
B. |
2 |
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C. |
1 |
D. |
3 |
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Hint |
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14. |
Solve this equation by imagining a balance puzzle.6n + 14 = 10n + 6 |
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A. |
n = 4 |
B. |
n = 3 |
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C. |
n = 2 |
D. |
n = 1 |
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Hint |
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15. |
Which equation has a solution of x = –4? |
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A. |
1 – 10x = –17 + 6x |
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B. |
6x + 17 = 1 – 10x |
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C. |
6x + 17 = –1 + 10x |
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D. |
10x – 1.5 = –17.5 + 6x |
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Hint |
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16. |
Using n, find the expression for this Think of a Number trick.
Think of a number.
Multiply by 2.
Add 4.
Divide by 2.
Add 6.
Subtract the number you started with. |
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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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17. |
Simplify the equation.y = –2(x – 7) – (9 + 5x) |
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A. |
y = –7x + 5 |
B. |
y = 7x – 5 |
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C. |
y = 3x – 16 |
D. |
y = –16x + 3 |
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Hint |
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18. |
The triangles below are congruent. Find a. |
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A. |
a = 6 |
B. |
a = 7 |
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C. |
a = 5 |
D. |
a = 8 |
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Hint |
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19. |
These two figures are similar. What is the scale factor from the large figure to the small figure? |
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A. |
 , or 0.5 |
B. |
 , or 0.75 |
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C. |
 , or 0.33 |
D. |
 , or 0.67 |
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Hint |
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20. |
Of the 1,500 registered voters who were polled in the city, 46% said they would vote for Lerman for mayor and 42% said they would vote for McMahon. Suppose the number of registered voters in the city is 2 million. Assuming a 50% voter turnout, what percentage of the registered voters would you expect to actually vote for McMahon? |
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A. |
42% |
B. |
50% |
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C. |
21% |
D. |
23% |
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Hint |
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