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1. |
What does 9|4 mean in the stem-and-leaf plot below? |
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A. |
904 |
B. |
 |
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C. |
94 |
D. |
49 |
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Hint |
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2. |
 and  are similar. Find a if x = 7, y = 1,
and  |
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A. |
 |
B. |
 |
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C. |
1 |
D. |
 |
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Hint |
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3. |
Solve the inequality 5y + 8 > 4y - 3. |
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A. |
{y | y < -11} |
B. |
{y | y > -11} |
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C. |
{y | y < -5} |
D. |
{y | y > 5} |
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Hint |
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4. |
Factor 14x2 - 28y2 + 56 |
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A. |
14xy(x - 2y + 4) |
B. |
(2x + 7y + 2)(7x - 4y + 2) |
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C. |
14(x2 - 2y2 + 4) |
D. |
14(x2 - 14y2 + 42) |
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Hint |
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5. |
Use the quadratic formula to solve x2 + 4x + 5 = 0. |
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A. |
5 |
B. |
-1 |
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C. |
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D. |
-1, -4 |
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Hint |
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6. |
Which equation represents exponential decay? |
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A. |
y = 0.86(1.46)x |
B. |
y = 2.62(1.22)x |
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C. |
y = 1.05(0.95)x |
D. |
y = 1.7(1.06)x |
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Hint |
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7. |
Find the length of the missing side to the nearest hundredth. |
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A. |
4.87 |
B. |
9.43 |
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C. |
6.24 |
D. |
3 |
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Hint |
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8. |
Simplify  . |
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A. |
The expression is in simplest form. |
B. |
 |
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C. |
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D. |
 |
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Hint |
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9. |
Evaluate 171 ÷ 32 + 4. |
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A. |
123 |
B. |
3,253 |
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C. |
23 |
D. |
61 |
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Hint |
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10. |
Simplify 3x2 + 11x + 2x2. |
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A. |
5x2 + 11x |
B. |
16x2 |
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C. |
6x2 + 11x |
D. |
simplified |
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Hint |
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11. |
Draw a graph of the ordered pairs in the table. |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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12. |
A weather forecaster states that the probability of rain is 30%. What are the odds that it will rain? |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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13. |
Solve c + 149 = 213. |
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A. |
c = -64 |
B. |
c = -362 |
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C. |
c = 64 |
D. |
c = 362 |
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Hint |
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14. |
At a candy shop, plain candy covered chocolate costs $2.95 per pound, while candy covered chocolate with almonds costs $4.95 per pound. How many pounds of plain candy covered chocolate should be mixed with 3 pounds of candy covered chocolate with almonds to obtain a mix that sells for $3.95 per pound? |
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A. |
3.5 pounds |
B. |
3 pounds |
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C. |
2 pounds |
D. |
2.5 pounds |
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Hint |
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15. |
At a bulk store, lollipops cost $1.95 per pound and jawbreakers cost $1.25 per pound. How many pounds of lollipops should be added to 4 pounds of jawbreakers to make a mixture that costs $1.45 per pound? |
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A. |
1.5 pounds |
B. |
1.8 pounds |
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C. |
2 pounds |
D. |
1.6 pounds |
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Hint |
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16. |
Use graphing to solve the system of inequalities given by y < x + 1 and  |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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17. |
For equations of the form y = ax, where a is a constant, what is true about a if the y-values change little for small values of x, but increase quickly for large x values? |
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A. |
a > 1 |
B. |
–1 < a < 0 |
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C. |
a = 1 |
D. |
0 < a < 1 |
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Hint |
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18. |
A formula in which the nth term of a sequence is expressed in terms of the previous term, as in  is called what? |
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A. |
geometric |
B. |
exponential |
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C. |
recursive |
D. |
dependent |
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Hint |
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19. |
Find the value of a if the distance between (4, 3) and (–1, a) is 13 units. |
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A. |
a = 15 or –9 |
B. |
a = –15 only |
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C. |
a = 15 only |
D. |
a = –15 or 9 |
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Hint |
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20. |
Which of the following is not necessarily true concerning similar triangles? |
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A. |
Each triangle has angles whose sum is 180°. |
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B. |
The measures of their corresponding angles are equal. |
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C. |
The measures of their corresponding sides are equal. |
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D. |
The measures of their corresponding sides are proportional. |
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Hint |
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