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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  294 |
B. |
25w 794 |
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C. |
25w 500 |
D. |
25w 106 |
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Hint |
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2. |
Write the inequality that is graphed on the number line below. |
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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. |
The sum of two numbers is 36. Twice the first number minus the second is 6. Find the numbers. |
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A. |
(30, 6) |
B. |
(10, 26) |
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C. |
(14, 22) |
D. |
(42, 6) |
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Hint |
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4. |
Find a solution to the equation using backtracking.
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A. |
n = 10 |
B. |
n = –12 |
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C. |
n = –89 |
D. |
n = –100 |
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Hint |
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5. |
Tamara and Joanne collect stamps. Tamara has 30 less than 5 times the number of stamps that Joanne has. Tamara also has 42 more stamps than Joanne. How many stamps does Tamara have? |
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A. |
23 |
B. |
60 |
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C. |
18 |
D. |
42 |
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Hint |
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6. |
Use you calculator's Table feature to approximate the solutions to the nearest hundredth.
x(x – 7) = 36 |
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A. |
x = 3.26, x = 6.31 |
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B. |
x = 11.00, x = –2.01 |
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C. |
x = 10.45, x = –3.45 |
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D. |
x = –15.96, x = –1.15 |
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Hint |
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7. |
Toby needs to create a rectangular pen for his dog. He decides that the area of the pen will be 100 square feet with its length 2 feet longer than its width. As you find the width of the pen, which solution can be thrown away since the width cannot be negative? |
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A. |
–12.32 |
B. |
–11.05 |
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C. |
–8.32 |
D. |
–9.05 |
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Hint |
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8. |
Use a graph to solve the system of equations.
y = x2
y = –x + 2 |
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A. |
(4, 1), (1, –2) |
B. |
(–2, 1), (1, 4) |
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C. |
(1, 1), (4, –2) |
D. |
(–2, 4), (1, 1) |
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Hint |
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