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1. |
What is the value of 9 - [12 + (15 ÷ 3)]? |
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A. |
-8 |
B. |
0 |
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C. |
26 |
D. |
2 |
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Hint |
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2. |
Which product is not defined? |
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A. |
 |
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B. |
 |
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C. |
 [11 4 -3] |
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D. |
[16 12 5] |
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Hint |
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3. |
Determine which matrix is the 3 × 3 identity matrix. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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4. |
Determine the distance between points at
 and  |
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A. |
 units |
B. |
 units |
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C. |
 units |
D. |
9 units |
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Hint |
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5. |
Write an equation for the graph shown below. |
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 |
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A. |
y = (x + 2)2 - 1 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Which is the graph of 4x2 + 9y2 + 16x -18y -11 = 0? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
Find the axis of symmetry of the graph of g(x) = x2 - 5x + 2. |
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A. |
x = -5 |
B. |
 |
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C. |
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D. |
x = 2 |
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Hint |
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8. |
Find f(4) for f(x) = x3 - 2x2 + 3x - 7. |
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A. |
1 |
B. |
11 |
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C. |
2 |
D. |
37 |
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Hint |
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9. |
What is the fifth term of a geometric sequence if a1 = 7 and r = 0.2? |
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A. |
0.0112 |
B. |
1.4 |
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C. |
5.6 |
D. |
0.28 |
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Hint |
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10. |
If it exists, what is the sum of the infinite series  |
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A. |
 |
B. |
20 |
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C. |
The sum does not exist. |
D. |
 |
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Hint |
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11. |
The letters a, b, c, and d will be used to form passwords for the school's computer system. How many 4-letter passwords may be formed if the letters can be used more than once in any password? |
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A. |
16 |
B. |
256 |
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C. |
300 |
D. |
20 |
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Hint |
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12. |
Bill has 4 quarters, 2 dimes, 6 nickels, and 8 pennies in his pocket. He takes one coin at random from the pocket. What is the probability that the coin is a dime or a nickel? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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13. |
Determine the period of the function shown below. |
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A. |
-1 |
B. |
1 |
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C. |
 |
D. |
 |
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Hint |
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14. |
Find the exact value of sin 75°. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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15. |
Find the domain of the relation shown in the graph. |
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A. |
{-3, -2, -1, 0, 1, 2, 3, 5} |
B. |
{-3, -2, -1, 0, 1, 3} |
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C. |
{-2, -1, 1, 2, 3, 5} |
D. |
{0, 1, 2, 3} |
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Hint |
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16. |
What is always true of an n × n matrix? |
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A. |
It has at least two rows and two columns. |
B. |
It is a square matrix. |
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C. |
It is a column matrix. |
D. |
It is a row matrix. |
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Hint |
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17. |
What is the GCF of  |
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A. |
p2 |
B. |
3n |
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C. |
np |
D. |
n |
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Hint |
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18. |
Find the value for the discriminant for the following equation:  . Then describe the number and type of roots. |
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A. |
The discriminant is negative, so there are two complex roots. |
B. |
The discriminant is 100, which is not a perfect square; therefore, there are two irrational roots |
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C. |
The discriminant is 100, which is a perfect square; therefore, there are two rational roots |
D. |
The discriminant is 96, which is not a perfect square; therefore, there are two irrational roots. |
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Hint |
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19. |
Suppose a new car loses value at 10% per year for the first 5 years. When should the owner sell it if they want to receive 75% of what they paid for it? |
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A. |
after 2.73 years |
B. |
after 3 years |
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C. |
after 2.5 years |
D. |
after 2 years |
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Hint |
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20. |
According to NFL statistics, the Cincinnati Bengals will be blown out in 5 out of 16 games, regardless of opponent. What are the odds of Cincinnati playing a close game? |
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A. |
11:16 |
B. |
16:5 |
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C. |
5:11 |
D. |
11:5 |
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Hint |
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