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1. |
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. |
$207.20 |
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C. |
$1437.45 |
D. |
$194.25 |
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Hint |
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2. |
What is the slope of in parallelogram ABCD? |
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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. |
Write the standard form of the equation of the line that passes through (-2, -3) and (2, -5). |
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A. |
x - 2y = -8 |
B. |
x + 2y = -8 |
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C. |
2x + y = -7 |
D. |
2x - y = -1 |
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Hint |
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4. |
The equation V = -32t + 256 and the graph below describe the velocity V in feet per second of a ball t seconds after is is shot into the air. What is the ball's velocity after seven seconds? |
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A. |
0 ft/s |
B. |
256 ft/s |
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C. |
32 ft/s |
D. |
480 ft/s |
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Hint |
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5. |
Choose the slope-intercept form of the equation of the line that passes through (-2, 4) and is perpendicular to the graph of 2x + y = -20. |
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A. |
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B. |
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C. |
y = 2x + 8 |
D. |
y = -2x |
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Hint |
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6. |
Suppose y varies directly as x, and y = -65 when x = -26. Write a direct variation equation that relates x and y. |
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B. |
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Hint |
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7. |
Graph 7x + 2y = -12. |
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A. |
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B. |
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D. |
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Hint |
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8. |
Which equation describes the line that contains the points (6, 2) and (12, 4)? |
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A. |
y = -3x |
B. |
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C. |
y = 3x |
D. |
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Hint |
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9. |
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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Hint |
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10. |
Write in slope-intercept form. |
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A. |
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B. |
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C. |
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D. |
2x - 9y = -55 |
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Hint |
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11. |
Write the slope-intercept form of an equation for a line that passes through (-1, 0) and is perpendicular to the graph of 3x – 5y = 20. |
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A. |
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B. |
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C. |
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Hint |
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12. |
Which relationship would most likely have a negative correlation? |
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A. |
A person's age, and the address of the person. |
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B. |
A person's height and the person's shoe size. |
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C. |
The number of pizzas ordered, and the total price of the bill. |
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D. |
The number of miles driven, and the number of gallons of gas in the car. |
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Hint |
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13. |
Which relationship would most likely have no correlation? |
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A. |
The number of pizzas ordered, and the total price of the bill. |
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B. |
A person's height and the person's shoe size. |
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C. |
A person's age, and the address of the person. |
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D. |
The number of miles driven, and the number of gallons of gas in the car. |
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Hint |
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14. |
Which of the following pairs of coordinates are on a line with an undefined slope? |
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A. |
(-2, -2), (4, 4) |
B. |
(-4, -3), (3, -3) |
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C. |
(3, -2), (3, 5) |
D. |
(2, 1), (5, -2) |
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Hint |
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