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1. |
Write the ordered pairs to represent the amount of hamburger and the price. |
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A. |
(1, $2.00), (1.5, $1.00) |
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B. |
(1, $2.00), (0.5, $1.00),
(1.5, $3.00), ($0.50, 0.25) |
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C. |
($2.00, 1), (0.5, $1.00),
(1.5, $3.00), (0.25, $0.50) |
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D. |
(1, $2.00), (0.5, $1.00),
(1.5, $3.00), (0.25, $0.50) |
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Hint |
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2. |
Translate ''two times a number is six times the sum of z and y'' into an equation, inequality, or formula. |
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A. |
2x = 6(z + y) |
B. |
2x = 6z + y |
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C. |
2x = 6 (zy) |
D. |
2 + x = 6 + z + y |
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Hint |
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3. |
Solve the proportion  |
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A. |
2 |
B. |
-6 |
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C. |
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D. |
1 |
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Hint |
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4. |
 and  are similar. Find x if z = 3, a = 6,
and c = 4.5. |
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A. |
2.25 |
B. |
9 |
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C. |
7.5 |
D. |
4 |
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Hint |
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5. |
What is the final price of a $125 jacket that is on sale for 35% off? |
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A. |
$90 |
B. |
$43.75 |
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C. |
$168.75 |
D. |
$81.25 |
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Hint |
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6. |
Jim's wages vary directly as the numbers of hours he works. For 7 hours, he makes $38.85. How much will he make in 37 hours? |
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A. |
$205.35 |
B. |
$194.25 |
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C. |
$1437.45 |
D. |
$207.20 |
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Hint |
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7. |
Choose the inequality that corresponds with the sentence ''Twice a number increased by four is less than the difference of three times that number and five. '' |
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A. |
2x + 4 > 3x - 5 |
B. |
2x + 4 < 5 - 3x |
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C. |
2x + 4 < 3x - 5 |
D. |
2(x + 4) < 3(x + 5) |
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Hint |
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8. |
Use elimination to solve the system of equations given below.
3x + 4y = -12
x - y = 10 |
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A. |
(52, 42) |
B. |
(28, 18) |
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C. |
(-4, -14) |
D. |
(4, -6) |
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Hint |
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9. |
Which graph is the graph of the system of inequalities?
y > 2x
 |
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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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10. |
Factor 14x2 - 28y2 + 56 |
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A. |
14(x2 - 2y2 + 4) |
B. |
(2x + 7y + 2)(7x - 4y + 2) |
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C. |
14(x2 - 14y2 + 42) |
D. |
14xy(x - 2y + 4) |
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Hint |
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11. |
Solve x2 – 6x + 5 = 0 by graphing. |
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A. |
1, 5 |
B. |
5 |
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C. |
1 |
D. |
-1 |
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Hint |
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12. |
Use the quadratic formula to solve 3y2 + 2 = 8y. Approximate the solutions to the nearest hundredth. |
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A. |
0.43, 2.87 |
B. |
-0.64, 1.32 |
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C. |
0.28, 2.39 |
D. |
0.56, 4.77 |
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Hint |
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13. |
Name the property used in the equation r × 21 = 1. Then solve for r. |
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A. |
Multiplicative Identity; r =  |
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B. |
Multiplicative Identity; r = 1 |
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C. |
Additive Identity; r = 0 |
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D. |
Multiplicative Inverse; r = |
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Hint |
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14. |
Write  and  in order from least to greatest. |
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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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15. |
Find  |
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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. |
Triangle DEF has vertices D(-6, -1), E(-4, -8), and F(-2, -5). Find the coordinates of the image of triangle DEF after it is rotated 180° about the origin. |
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A. |
D´(1, 6), E´(8, 4), F´(5, 2) |
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B. |
D´(1, -6), E´(8, -4), F´(5, -2) |
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C. |
D´(-1, -6), E´(-8, -4), F´(-5, -2) |
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D. |
D´(6, 1), E´(4, 8), F´(2, 5) |
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Hint |
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17. |
Which equation describes the line that contains the points (-5, 2) and (3, 7)? |
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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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18. |
Suppose Tyler sprayed around the house for ants. Which formula would be used to find the number of ants still alive after a certain time if the number of ants was changing exponentially? |
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A. |
compound interest |
B. |
exponential growth |
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C. |
cannot be determined from given information |
D. |
exponential decay |
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Hint |
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19. |
Suppose that the sixth term of a geometric sequence is 1215, and the first term is 5. What is the second term? |
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A. |
8 |
B. |
12.5 |
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C. |
9 |
D. |
15 |
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Hint |
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20. |
Solve . |
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A. |
19 |
B. |
–13 |
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C. |
no solution |
D. |
13 |
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Hint |
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