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1. |
Solve 3r + 5 > 26. |
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A. |
r > 7 |
B. |
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C. |
r > 21 |
D. |
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Hint |
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2. |
Select the segment that has been bisected. |
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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. |
Select the figure that is not a reflection. |
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A. |
M | M |
B. |
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C. |
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D. |
H | H |
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Hint |
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4. |
Evaluate . Express the result in scientific notation. |
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A. |
8.0 × 10-9 |
B. |
8.0 × 10-7 |
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C. |
80 × 10-8 |
D. |
0.8 × 10-8 |
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Hint |
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5. |
Determine the slope of the line containing the points P(-7, -8) and Q(3, 0). |
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A. |
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B. |
-2 |
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C. |
2 |
D. |
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Hint |
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6. |
Factor x2 – 16. |
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A. |
(x + 2)(x – 8) |
B. |
(x + 4)(x + 4) |
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C. |
(x – 4)(x – 4) |
D. |
(x + 4)(x – 4) |
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Hint |
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7. |
State the excluded values of a and b in the expression . |
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A. |
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B. |
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C. |
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D. |
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8. |
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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9. |
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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10. |
Solve 2z2 + z - 4 = 0 by completing the square. |
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A. |
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B. |
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C. |
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D. |
-2, 1 |
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Hint |
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11. |
Pam's mother gives Pam $20 each week for lunch to be bought at the school cafeteria. Lunches cost $4 per day. Draw a graph showing the amount Pam has left decreasing very slowly. Suppose you graph the time in days on the horizontal axis and the amount Pam has left on the vertical axis. |
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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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12. |
Which table shows a quadratic relationship? |
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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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13. |
What is the relationship between constant second differences and the coefficient of the equation? |
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A. |
the second difference is 2 times the coefficient |
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B. |
the second difference is the same as the coefficient |
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C. |
the second difference is –2 times the coefficient |
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D. |
the second difference is opposite the coefficient |
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Hint |
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14. |
The sum of three consecutive even numbers is 54. Find the three numbers. |
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A. |
16, 18, 20 |
B. |
15, 16, 17 |
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C. |
18, 19, 20 |
D. |
16, 17, 18 |
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Hint |
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15. |
Use a graphing calculator to graph y = 8x – 2x2. Estimate the highest point on the graph. |
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A. |
(8, 2) |
B. |
(2, 8) |
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C. |
(3, 7) |
D. |
(7, 3) |
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Hint |
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16. |
A ball is launched straight up from ground level modeling the equation h = 52t – 10t2, where h stands for height in meters and t stands for time. On its way up, it reached a particular height at 1 second. On its way down, it again reached the same height. At approximately what time did it reach that height the second time? |
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A. |
2.0 seconds |
B. |
5.2 seconds |
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C. |
4.2 seconds |
D. |
3.5 seconds |
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Hint |
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17. |
What is a reflection over a line and then a translation by a vector parallel to that line called? |
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A. |
rotation |
B. |
translation |
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C. |
symmetric rotation |
D. |
glide reflection |
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Hint |
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18. |
Andy drew a 6.3 cm line on his paper. He then decided to make it larger by a scale of 1.5. How long is his new line? |
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A. |
7.8 |
B. |
4.8 |
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C. |
9.45 |
D. |
4.2 |
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Hint |
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19. |
Rule: (x, y) (x – 6, y + 1). Find the correct translation. |
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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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20. |
Find the quotient. Simplify |
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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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