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1. |
Kurt is saving to buy a new computer. The computer he wants costs $1299. He has already saved $732. Write an inequality to determine the least amount he must still save. |
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A. |
1299 + s 732 |
B. |
1299 + s 732 |
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C. |
732 + s 1299 |
D. |
732 + s 1299 |
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Hint |
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2. |
Write an inequality for the sentence three times a number is less than 45. |
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A. |
3x > 45 |
B. |
3x 45 |
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C. |
3x < 45 |
D. |
3 + x < 45 |
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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. |
(10, 26) |
B. |
(42, 6) |
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C. |
(30, 6) |
D. |
(14, 22) |
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Hint |
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4. |
What is the solution of the system of equations shown below? |
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A. |
(3, 0) |
B. |
(0, 0) |
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C. |
(0, -3) |
D. |
(1, -2) |
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Hint |
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5. |
Find a solution to the equation by doing the same thing to both sides. 3(5f + 7) + 9(f + 4) = 9 |
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A. |
f = –10 |
B. |
f = –2 |
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C. |
f = –12 |
D. |
f = –9 |
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Hint |
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6. |
Julian said, ''I'm thinking of a number. When I add 3 to my number, multiply the sum by 12, divide the product by 8, and subtract the result by 7, I get 11. What is the number I'm thinking of?'' |
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A. |
9 |
B. |
10 |
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C. |
8 |
D. |
7 |
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Hint |
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7. |
How could you use the graph of h = 20t – 6t2 to estimate the solution(s) of 20t – 6t2 = 7, where h stands for height and t stands for time? |
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A. |
Draw a horizontal line at h = 20 and find where it intersects the curve. |
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B. |
Draw a vertical line at t = 20 and find where it intersects the curve. |
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C. |
Draw a vertical line at t = 7 and find where it intersects the curve. |
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D. |
Draw a horizontal line at h = 7 and find where it intersects the curve. |
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Hint |
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8. |
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. What are the dimensions of Toby's pen approximated to the nearest hundredth? |
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A. |
length 10.32 ft width 8.32 ft |
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B. |
length 10.00 ft width 10.00 ft |
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C. |
length 10.58 ft width 8.58 ft |
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D. |
length 11.05 ft width 9.05 ft |
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Hint |
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