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1. |
Sarah must maintain a balance of at least $500 in her checking account to avoid finance charges. If her current balance is $794, write an inequality to determine how many times she can withdraw $25 for shopping without paying finance charges. |
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A. |
25w 106 |
B. |
25w 500 |
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C. |
25w 294 |
D. |
25w 794 |
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Hint |
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2. |
Write in simple form. |
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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. |
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. |
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D. |
-2 |
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4. |
Draw the graph of y < 0.5x + 1. |
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A. |
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B. |
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C. |
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D. |
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5. |
Find (x – 3)(x + 3). |
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A. |
x2 - 6x - 9 |
B. |
x2 - 9 |
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C. |
x2 - 6x + 9 |
D. |
x2 + 9 |
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Hint |
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6. |
Simplify . |
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A. |
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B. |
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C. |
5x |
D. |
2x |
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Hint |
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7. |
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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8. |
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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9. |
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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10. |
Determine the product (2x + 1)(x - 4). |
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A. |
2x2 + 8x - 4 |
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B. |
2x2 - 2x - 4 |
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C. |
2x2 - 7x - 4 |
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D. |
2x2 + 6x - 4 |
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Hint |
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11. |
Find the equation that has direct variation. |
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A. |
y = 0.8x + 9 |
B. |
y = 4x |
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C. |
y = 5x + 1.3 |
D. |
y = –3x – 1 |
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Hint |
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12. |
Find the situation that is linear but does not have direct variation. |
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A. |
At the beginning of the summer, Dina had $200 in the bank. She withdrew $30 to buy a new pair of shorts. |
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B. |
At the beginning of the summer, Dina had $200 in the bank. She started a job and deposited $10 per week. |
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C. |
At the beginning of the summer, Dina had $0 in the bank. She started a job and deposited $10 per week. |
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D. |
At the beginning of the summer, Dina had $0 in the bank. She earned $50 mowing lawns the previous week and deposited the money in the bank. |
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Hint |
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13. |
What is the reciprocal 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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14. |
Consider the equation . What happens to the value of y when x is divided by 4? |
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A. |
y is added to 4 |
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B. |
y is subtracted from 4 |
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C. |
y is multiplied by 4 |
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D. |
y is divided by 4 |
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Hint |
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15. |
Identify the decay factor in the equation p = 1,508,069 × 0.89n where p is the bacteria population and n is the number of days after a vaccine was administered. |
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A. |
n |
B. |
1,508,069 |
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C. |
0.89 |
D. |
p |
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Hint |
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16. |
Find a solution to the equation using backtracking.
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A. |
a = 5 |
B. |
a = 3 |
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C. |
a = –2 |
D. |
a = 2 |
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Hint |
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17. |
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. |
4.2 seconds |
B. |
5.2 seconds |
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C. |
2.0 seconds |
D. |
3.5 seconds |
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Hint |
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18. |
What angle of rotation does the figure below have? |
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A. |
180° |
B. |
45° |
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C. |
120° |
D. |
90° |
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Hint |
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19. |
Rule: (x, y) (x + 3, y – 5). 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. |
Start with a square with side length. Create a large rectangle by adding two more squares of the same size, and remove a strip with a width of 1. What is the area of the new rectangle? |
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A. |
x (3x + 1) = 3x2 + x |
B. |
x (x – 1) = x2 – x |
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C. |
x (3x – 1) = 3x2 – x |
D. |
x (x + 3) = x2 + 3x |
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Hint |
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