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1. |
Determine the slope of the line graphed below. |
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A. |
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B. |
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C. |
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D. |
0 |
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Hint |
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2. |
Determine the slope of the line that passes through (2, 2) and (5, 8). |
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A. |
2 |
B. |
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C. |
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D. |
-2 |
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Hint |
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3. |
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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4. |
Which equation is the slope-intercept form of the equation of the line that passes through (1, 2) and is parallel to 4x - 2y = 6? |
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A. |
y = 4x + 3 |
B. |
y = -2x + 1 |
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C. |
y = 2x |
D. |
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Hint |
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5. |
Three out of the four equations listed below are equations of lines that are parallel to each other. Which equation does not have a graph that is a line parallel to the other three? |
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A. |
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B. |
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C. |
3x + 4y = -16 |
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D. |
8y = - 6x |
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Hint |
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6. |
Use the scatter plot to predict the mileage of an engine with 250 horsepower. |
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A. |
25 |
B. |
12 |
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C. |
10 |
D. |
20 |
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Hint |
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7. |
What is the slope of the line through the points A(-3, 4) and B(2, -1)? |
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A. |
-1 |
B. |
1 |
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C. |
-3 |
D. |
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Hint |
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8. |
Determine the slope of the line containing the points P(-7, -8) and Q(3, 0). |
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A. |
2 |
B. |
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C. |
-2 |
D. |
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Hint |
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9. |
Find the equation that has direct variation. |
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A. |
y = –3x – 1 |
B. |
y = 0.8x + 9 |
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C. |
y = 4x |
D. |
y = 5x + 1.3 |
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Hint |
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10. |
Which characteristic describes a graph that is linear and has direct variation. |
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A. |
Variables x and y are not proportional. |
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B. |
The equation has the form y = mx + b. |
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C. |
The graph does not pass through (0, 0). |
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D. |
The equation has the form y = mx. |
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Hint |
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11. |
Find the graph that does not have direct variation. |
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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. |
Find the equation that contains a decreasing linear relationship. |
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A. |
y = 10 + x |
B. |
y = 4x – 3 |
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C. |
y = 5 – 6x |
D. |
y = 12+ 2x |
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Hint |
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13. |
Find the situation that involves a decreasing linear relationship and has direct variation. |
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A. |
An airplane that begins at 20,000 feet and descends for a landing on the ground at the airport. |
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B. |
The temperature that begins at 0°F at 6:00 a.m. rises 3°F every hour for 6 hours. |
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C. |
A submarine that begins at the bottom of the ocean and is raised to the surface of the water at 15 meters per second. |
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D. |
A bucket that begins at ground level and is lowered into a well at a rate of 1 foot per second. |
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Hint |
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14. |
Find the graph that is nonlinear. |
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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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15. |
Find the table that represents a graph with direct variation. |
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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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16. |
Michael just got a job mowing his elderly neighbor's lawn paying him $10 each week. Draw a graph showing the amount he receives is increasing very rapidly. Suppose you graph the time in weeks on the horizontal axis and the amount Michael receives 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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17. |
What is the equation of a line that has a slope of –1 and passes through (–2, 0)? |
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A. |
y = –x + 2 |
B. |
y = –2x + 1 |
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C. |
y = –x – 2 |
D. |
y = –x – 1 |
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Hint |
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18. |
Which line is parallel to the line listed below?
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A. |
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B. |
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C. |
y = 2x - 5 |
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D. |
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Hint |
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19. |
Which three points are collinear? |
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A. |
(–5, –3), (–2, 3), (2, –4) |
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B. |
(–1, 1), (2, 3), (5, 2) |
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C. |
(3, 1), (4, 0), (–1, 2) |
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D. |
(4, –3), (2, –2), (–4, 1) |
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Hint |
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20. |
Which three points are collinear? |
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A. |
(–5, 2), (1, 1), (4, 4) |
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B. |
(3, –1), (2, 5), (2, –3) |
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C. |
(–4, 4), (0, –4), (–1, –2) |
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D. |
(1, 2), (–3, –2), (–2, –4) |
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Hint |
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