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1. |
Simplify 3 + 2(xy+ 3z) + 4xy. |
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A. |
6xy + 3z + 3 |
B. |
9xy + 15z |
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C. |
6xy + 6z + 3 |
D. |
5xy + 3z + 3 |
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Hint |
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2. |
Based on the line plot, what is the lowest score? |
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A. |
100 |
B. |
75 |
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C. |
71 |
D. |
21 |
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Hint |
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3. |
Fifteen minus a number is thirty-two. Find the number. |
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A. |
-47 |
B. |
47 |
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C. |
-17 |
D. |
17 |
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Hint |
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4. |
Name the quadrant that contains point Q. |
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A. |
II |
B. |
III |
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C. |
IV |
D. |
I |
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Hint |
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5. |
State the range of the function represented by the graph. |
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A. |
{-1, 1, 2, 4} |
B. |
{1, 2, 4} |
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C. |
{-1, 1, 2} |
D. |
{-2, -1, 0, 2} |
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Hint |
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6. |
Simplify . Assume the denominator is not equal to zero. |
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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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7. |
Solve 4y2 – 25 = 0. |
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A. |
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B. |
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C. |
or |
D. |
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Hint |
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8. |
Solve 2z2 + z - 4 = 0 by completing the square. |
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A. |
 |
B. |
-2, 1 |
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C. |
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D. |
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Hint |
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9. |
Name the property used in the equation 17 × c = 17. Then solve for c. |
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A. |
Multiplicative Identity; c = 1 |
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B. |
Multiplicative Inverse; c =  |
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C. |
Multiplicative Property of Zero; c= 0 |
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D. |
Additive Identity; c = 0 |
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Hint |
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10. |
Use the Distributive Property to simplify 7(6x2 + 5x + 4). |
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A. |
42x2 + 5x + 4 |
B. |
42x2 + 35x + 4 |
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C. |
42x2 + 35x + 28 |
D. |
42x2 +35x + 21 |
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Hint |
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11. |
A counterexample disproves a conditional when ________ . |
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A. |
the hypothesis is true and the conclusion is false |
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B. |
the hypothesis is true and the conclusion is true |
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C. |
the hypothesis is false and there is no valid conclusion |
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D. |
the hypothesis is false and the conclusion is false |
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Hint |
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12. |
Identify the conclusion in the following statement: If 13b + 12 = 77, then b = 5. |
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A. |
13b + 12 = 17 |
B. |
b |
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C. |
b = 5 |
D. |
13b + 12 |
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Hint |
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13. |
Solve  |
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A. |
w = 859 |
B. |
w = 835 |
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C. |
w = -835 |
D. |
w = -859 |
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Hint |
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14. |
Square ABCD is shown in the figure. Find the coordinates of the vertices of the image if the square is translated 2 units to the right and 3 units up. |
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A. |
A´(0, 3), B´(4, 3), C´(4, -1), D´(0, -1) |
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B. |
A´(-1, 4), B´(3, 4), C´(3, 0), D´(-1, 0) |
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C. |
A'(-2, 3), B'(6, 3), C'(6, -9), D'(-2, -9) |
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D. |
A´(-1, 1), B´(3, 1), C´(3, -3), D´(-1, -3) |
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Hint |
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15. |
Graph the solution set of y = x – 5, given the domain {-4, 0, 4, 8}. |
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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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16. |
What is implied when it is said that x and y have no correlation? |
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A. |
When the value of x increases, the value of y does not necessarily increase or decrease. |
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B. |
When the value of x decreases, the value of y decreases. |
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C. |
When the value of x increases, the value of y decreases. |
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D. |
When the value of x increases, the value of y increases. |
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Hint |
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17. |
Joanne has a garden that is 9 feet long by 6 feet wide. She wants to increase the dimensions of the garden by the same amount, and have the area of the new garden be 5 times the area of the present garden. What should the new dimensions be? |
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A. |
length = 18 ft wideth = 15ft |
B. |
length = 15 ft width = 18 ft |
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C. |
length = 30 ft width = 24ft |
D. |
length = 24 ft width = 30 ft |
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Hint |
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18. |
A guest on a talk show tends to receive many phone calls right after she is on the show, and then the calls become less frequent. This can be represented by the equation y = 20(0.53)d, where y is the number of phone calls after d days. On what day should she expect to have 3 calls? |
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A. |
2 |
B. |
15 |
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C. |
3 |
D. |
10 |
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Hint |
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19. |
Determine whether the sequence 7, 21, 35, 49 is geometric. If so, find its common ratio. |
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A. |
geometric, r = 7 |
B. |
not geometric |
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C. |
geometric, r = 3 |
D. |
geometric, r = 14 |
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Hint |
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20. |
Find the next two terms of the geometric sequence 50, 40, 32, … |
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A. |
28.5, 25.52 |
B. |
26, 22 |
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C. |
25.6, 20.48 |
D. |
24, 16 |
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Hint |
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