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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. |
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. |
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 = 2x |
B. |
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C. |
y = -2x + 1 |
D. |
y = 4x + 3 |
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Hint |
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4. |
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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5. |
What is the slope of the line through the points A(-3, 4) and B(2, -1)? |
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A. |
-3 |
B. |
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C. |
-1 |
D. |
1 |
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Hint |
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6. |
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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7. |
The greatest power in a quadratic function is ______. |
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A. |
1 |
B. |
2 |
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C. |
3 |
D. |
4 |
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Hint |
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8. |
What is the equation of the graph shown? |
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A. |
f(x) = -2x2 + 2x + 1 |
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B. |
f(x) = -2x2 + 2x - 1 |
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C. |
f(x) = 2x2 + 2x + 1 |
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D. |
f(x) = 2x2 - 2x + 1 |
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Hint |
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9. |
Which characteristic describes a graph that is linear and has direct variation. |
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A. |
The equation has the form y = mx. |
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B. |
The equation has the form y = mx + b. |
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C. |
Variables x and y are not proportional. |
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D. |
The graph does not pass through (0, 0). |
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Hint |
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10. |
Find the equation that has direct variation. |
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A. |
y = 4x |
B. |
y = 5x + 1.3 |
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C. |
y = 0.8x + 9 |
D. |
y = –3x – 1 |
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Hint |
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11. |
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 bucket that begins at ground level and is lowered into a well at a rate of 1 foot per second. |
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D. |
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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Hint |
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12. |
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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13. |
What is the equation of a line that has a slope of 3 and passes through (–4, –3)? |
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A. |
y = 3x + 9 |
B. |
y = 3x – 3 |
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C. |
y = 3x – 9 |
D. |
y = 3x + 3 |
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Hint |
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14. |
Which three points are collinear? |
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A. |
(3, 1), (4, 0), (–1, 2) |
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B. |
(–1, 1), (2, 3), (5, 2) |
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C. |
(4, –3), (2, –2), (–4, 1) |
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D. |
(–5, –3), (–2, 3), (2, –4) |
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Hint |
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15. |
Which three points are collinear? |
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A. |
(1, 2), (–3, –2), (–2, –4) |
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B. |
(–4, 4), (0, –4), (–1, –2) |
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C. |
(–5, 2), (1, 1), (4, 4) |
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D. |
(3, –1), (2, 5), (2, –3) |
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Hint |
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16. |
Write the equation in slope-intercept form. –6x = –10 – 2y |
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A. |
y = 3x – 5 |
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B. |
y + 8 = 3(x + 1) |
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C. |
–6x + 2y + 10 = 0 |
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D. |
y = 3x + 8 |
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Hint |
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17. |
Find the graph of y = x2 + 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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Hint |
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18. |
What is the new equation if the graph y = 2x3 – 6x2 is moved down 1 unit? |
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A. |
y = x3 – 6x2 |
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B. |
y = 2x3 – 6x2 – 1 |
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C. |
y = 2x3 – 5x2 |
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D. |
y = 2x3 – 6x2 + 1 |
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Hint |
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19. |
Solve for y in terms of x.xy = 100 |
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A. |
y = 100x |
B. |
x =  |
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C. |
y =  |
D. |
y =  |
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Hint |
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20. |
How does b affect graphs of equations in the form of ? |
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A. |
b affects the width of the graph |
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B. |
positive values of b move the graph to the left, negative values move it to the right |
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C. |
b affects the length of the graph |
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D. |
negative values of b move the graph to the left, positive values move it to the right |
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Hint |
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