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1. |
Use Cramer's rule to find the value of x in the system of equations. 
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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. |
Triangle PQR with vertices P(-8, 9), Q(-3, -1), and R(2, 5) is translated so that P' is at (-12, 0). Find the translation matrix. |
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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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3. |
Simplify  |
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A. |
x + 4 |
B. |
x - 4 |
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C. |
x + 7 |
D. |
x2 + 7 |
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Hint |
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4. |
Factor 6x3y + 15x2y2 - 3x4y. |
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A. |
3xy(2x2 + 5xy - x3) |
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B. |
3x2y(2x+ 5y - x2) |
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C. |
x2y(6x + 15y - 3x2) |
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D. |
xy(6x2 + 15xy - 3x3) |
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Hint |
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5. |
Solve  |
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A. |
no solution |
B. |
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C. |
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D. |
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Hint |
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6. |
One zero of p(x) = x3 - 3x2 - 6x + 8 is 1. Which of the following is another zero? |
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A. |
1 + i |
B. |
-1 |
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C. |
1 - i |
D. |
4 |
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Hint |
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7. |
What is the graph of  ? |
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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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8. |
If y varies directly as x and y = 6 when x = 2, find y when x = 5. |
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A. |
2.4 |
B. |
15 |
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C. |
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D. |
6 |
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Hint |
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9. |
Determine the 10th term of the sequence –17, -13, -9, . . . |
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A. |
36 |
B. |
19 |
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C. |
-53 |
D. |
53 |
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Hint |
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10. |
Juanita started a savings account with the $200 she received for her birthday. The bank pays 4% interest compounded annually. Find the balance in the account after 4 years. Round the answer to the nearest dollar. |
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A. |
$216 |
B. |
$208 |
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C. |
$225 |
D. |
$234 |
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Hint |
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11. |
What is the inequality represented in the graph? |
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A. |
x + 2y  4 |
B. |
x + 2y > 4 |
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C. |
x + 2y > 4 |
D. |
x + 2y  4 |
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Hint |
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12. |
Which is true for the following system of equations?
3x -  y = 1
x + 2y = 7. |
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A. |
y < x |
B. |
y = x |
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C. |
cannot be determined from information given |
D. |
y > x |
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Hint |
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13. |
What is the GCF of  |
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A. |
n |
B. |
np |
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C. |
3n |
D. |
p2 |
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Hint |
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14. |
Simplify |
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A. |
2 |
B. |
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C. |
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D. |
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Hint |
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15. |
In the inequality  what must q be greater than or equal to? |
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A. |
0 |
B. |
21 |
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C. |
5 |
D. |
9 |
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Hint |
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16. |
What is the equation of the hyperbola whose vertices are at (-4, 1) and (2, 1), and whose conjugate axis is of length 4 units? |
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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. |
Gail and Gayla throw balls into the air. The equation  represents Gail's throw, where x is time in seconds, and y is height. Gayla's throw is represented by  When are the balls at the same height? |
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A. |
never |
B. |
at 5 seconds |
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C. |
at 7 seconds |
D. |
at –1 seconds |
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Hint |
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18. |
What is the equation of the vertical asymptote of the function  ? |
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A. |
x = 5 |
B. |
There is a hole at 4, not a vertical asymptote. |
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C. |
x = 4 |
D. |
x = –4 |
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Hint |
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19. |
Suppose r varies jointly with p and q. If p increases and q decreases, what will happen to r? |
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A. |
It increases. |
B. |
It decreases. |
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C. |
Cannot be determined from given information. |
D. |
It stays the same. |
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Hint |
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20. |
Which type of function looks like a direct variation function when x > 0? |
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A. |
square root function |
B. |
rational function |
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C. |
absolute value function |
D. |
quadratic function |
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Hint |
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