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1. |
Write 120,000,000 in scientific notation. |
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A. |
1.2×109 |
B. |
12×107 |
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C. |
0.12×109 |
D. |
1.2×108 |
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Hint |
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2. |
Write an equation to determine the number of tickets sold for a school play if tickets cost $5.50 each and $4510 was recorded at the box office. |
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A. |
4510 - 5.50 = t |
B. |
4510t = 5.50 |
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C. |
5.50t = 4510 |
D. |
4510 - t = 5.50 |
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Hint |
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3. |
Solve  =  . |
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A. |
1.125 |
B. |
2 |
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C. |
1.8 |
D. |
2.25 |
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Hint |
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4. |
Which pair of polygons is similar, but not congruent? |
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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 + (–4). |
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A. |
–2 |
B. |
–6 |
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C. |
2 |
D. |
6 |
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Hint |
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6. |
A fruit drink that was sold in 16-ounce containers is now sold in
20-ounce containers. What is the percent of change in quantity? |
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A. |
4% |
B. |
20% |
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C. |
16% |
D. |
25% |
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Hint |
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7. |
Use the flowchart to backtrack and find the solution. |
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 |
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A. |
7 |
B. |
18 |
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C. |
9 |
D. |
8 |
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Hint |
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8. |
Using the formula for the area of a trapezoid  , find A
if h = 7 cm, b1 = 3 cm, and b2 = 5 cm. |
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A. |
18 cm2 |
B. |
25 cm2 |
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C. |
7.5 cm2 |
D. |
28 cm2 |
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Hint |
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9. |
Find an expression for the number of blocks in Stage s. |
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A. |
2s2 |
B. |
2s + 1 |
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C. |
s2 |
D. |
s + 1 |
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Hint |
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10. |
Rewrite k9 ÷ k3 using a single base. |
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A. |
k27 |
B. |
3k3 |
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C. |
k3 |
D. |
k6 |
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Hint |
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11. |
Use your calculator to evaluate the expression.6.2319 |
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A. |
12.45 × 1015 |
B. |
1.245 × 1019 |
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C. |
1.245 × 1015 |
D. |
12.45 × 1019 |
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Hint |
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12. |
Use your calculator to evaluate the expression.
7.3 × 1012 + 8.1 × 1012 |
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A. |
59.13 |
B. |
1.54 × 1013 |
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C. |
5.913 × 1013 |
D. |
15.4 × 1013 |
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Hint |
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13. |
Bruce was filling jugs from a basin of water. When he had filled four jugs, 14 liters of water were left in the basin. When he had filled eight jugs, 4 liters of water were left in the basin. How many liters of water can fill one jug? |
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A. |
1 liter |
B. |
2.5 liters |
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C. |
2 liters |
D. |
1.5 liters |
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Hint |
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14. |
Find the linear equation. |
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A. |
y = x + x2 – 7x + 4.9 |
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B. |
y = 10(x – 8) + 3x2 |
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C. |
y = 5.2(x – 6) – 2(4 – 3x) |
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D. |
y = 7x (x– 1) + 4(9.6 –x) |
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Hint |
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15. |
The triangles below are similar. Find y. |
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A. |
90° |
B. |
35° |
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C. |
55° |
D. |
110° |
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Hint |
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16. |
If the area of a small triangle is 2 square units, what is the area of the large triangle? |
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A. |
8 square units |
B. |
4 square units |
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C. |
16 square units |
D. |
32 square units |
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Hint |
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17. |
Find the perimeter of the trapezoid after it has been scaled by a factor of 6. |
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ST07-023W-008550.gifv |
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A. |
64 m |
B. |
10.67 m |
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C. |
336 m |
D. |
384 m |
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Hint |
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18. |
Kennedy Middle School has 850 students, 445 of which are girls. Roosevelt Middle School has 500 students, 287 of which are girls. Which school has the greater percentage of girls? What is the percentage? |
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A. |
Roosevelt, 57% |
B. |
Roosevelt, 52% |
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C. |
Kennedy, 57% |
D. |
Kennedy, 52% |
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Hint |
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19. |
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. |
21% |
B. |
42% |
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C. |
50% |
D. |
23% |
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Hint |
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20. |
Describe a typical graph with a repeating pattern. |
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A. |
The graph goes up and down repeatedly. |
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B. |
The graph is a straight line. |
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C. |
The graph is similar to an exponential function. |
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D. |
The graph is a parabola. |
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Hint |
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