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1. |
What is another way to write (6 + 7)x? |
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A. |
6(x) × 7(x) |
B. |
6(x) + 7(x) |
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C. |
6(x) + 7 |
D. |
6 + 7(x) |
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Hint |
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2. |
Use the formula d = rt to find the rate r of travel if t = 3.5 hours
and d = 203 miles. |
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A. |
53 miles per hour |
B. |
63 miles per hour |
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C. |
58 miles per hour |
D. |
68 miles per hour |
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Hint |
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3. |
Express 7-3 using positive exponents. |
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A. |
 |
B. |
(-7)3 |
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C. |
 |
D. |
 |
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Hint |
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4. |
Find –2 + (–4). |
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A. |
–6 |
B. |
2 |
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C. |
–2 |
D. |
6 |
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Hint |
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5. |
Find the volume of the triangular prism. |
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A. |
80 cubic inches |
B. |
320 cubic inches |
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C. |
640 cubic inches |
D. |
160 cubic inches |
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Hint |
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6. |
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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7. |
Which equation represents exponential decay? |
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A. |
y = 0.86(1.46)x |
B. |
y = 1.7(1.06)x |
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C. |
y = 1.05(0.95)x |
D. |
y = 2.62(1.22)x |
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Hint |
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8. |
George and a group of his friends are going to a baseball game. Tickets cost $12 apiece and a program costs $5. If George and his friends go to the game and only George buys a program, write an expression for the total amount that George and his friends spent at the game. Use t for the number of tickets bought. |
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A. |
12(t + 5) |
B. |
12t + 5 |
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C. |
5t + 12 |
D. |
5(t + 12) |
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Hint |
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9. |
Find an explanation for the expression 5a + 3. |
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A. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the total cost of 3 anchovy pizzas with a delivery fee of $5. |
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B. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the total cost of 5 anchovy pizzas with a delivery fee of $3. |
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C. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the price of 8 anchovy pizzas. |
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D. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the total cost of 5 anchovy pizzas with a delivery fee of $8. |
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Hint |
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10. |
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. |
7.5 cm2 |
B. |
25 cm2 |
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C. |
18 cm2 |
D. |
28 cm2 |
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Hint |
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11. |
How many squares do you add from Stage s to Stage s + 1 in the pattern below? |
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A. |
s squares |
B. |
s + 1 squares |
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C. |
0 squares |
D. |
s + 2 squares |
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Hint |
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12. |
Find an expression for the number of blocks in Stage s. |
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A. |
s + 1 |
B. |
s2 |
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C. |
2s + 1 |
D. |
2s2 |
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Hint |
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13. |
For each 1 cubic unit of volume, how many square units of surface area are there? |
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A. |
3.8 |
B. |
4.5 |
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C. |
4.2 |
D. |
3.4 |
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Hint |
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14. |
Use the net's measurements to find the volume of the cylinder. |
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A. |
285.9 cm3 |
B. |
461.8 cm3 |
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C. |
207.3 cm3 |
D. |
197.9 cm3 |
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Hint |
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15. |
Rewrite a4 × b4 using a single base. |
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A. |
ab16 |
B. |
ab8 |
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C. |
a4b4 |
D. |
ab4 |
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Hint |
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16. |
Rewrite ra ÷ rb using a single base. |
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A. |
rab |
B. |
rb |
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C. |
ra |
D. |
ra-b |
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Hint |
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17. |
Simplify (d1)26. |
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A. |
d25 |
B. |
26d |
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C. |
d27 |
D. |
d26 |
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Hint |
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18. |
Which expression describes this pattern of numbers:
4, 16, 64, 256, 1,024. |
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A. |
4 + x |
B. |
x4 |
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C. |
4x |
D. |
4x |
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Hint |
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19. |
Use your calculator to evaluate the expression.6.2319 |
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A. |
1.245 × 1015 |
B. |
1.245 × 1019 |
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C. |
12.45 × 1019 |
D. |
12.45 × 1015 |
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Hint |
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20. |
Evaluate the expression.–2-4 |
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A. |
 |
B. |
–16 |
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C. |
 |
D. |
 |
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Hint |
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