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1. |
Determine the slope of the line graphed below. |
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A. |
0 |
B. |
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C. |
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D. |
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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. |
-2 |
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C. |
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D. |
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Hint |
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3. |
A line of best-fit should not be drawn for which of the following graphs. |
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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 = -2x + 1 |
B. |
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C. |
y = 2x |
D. |
y = 4x + 3 |
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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. |
8y = - 6x |
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B. |
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C. |
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D. |
3x + 4y = -16 |
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Hint |
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6. |
The table shows the possible lengths and widths of a rectangle that has an area of 72 square centimeters. Make a scatter plot of the data. |
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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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7. |
Use the scatter plot to predict the mileage of an engine with 250 horsepower. |
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A. |
20 |
B. |
12 |
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C. |
25 |
D. |
10 |
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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. |
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B. |
2 |
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C. |
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D. |
-2 |
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Hint |
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9. |
The graph of a linear function is _______. |
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A. |
a horizontal line only |
B. |
a straight line |
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C. |
a curved line |
D. |
None of these is correct |
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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. |
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C. |
The equation has the form y = mx + b. |
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D. |
The graph does not pass through (0, 0). |
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Hint |
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11. |
Find the equation that has direct variation. |
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A. |
y = 0.8x + 9 |
B. |
y = 4x |
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C. |
y = –3x – 1 |
D. |
y = 5x + 1.3 |
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Hint |
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12. |
Which characteristic describes a graph that is linear and has direct variation. |
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A. |
The graph does not pass through (0, 0). |
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B. |
The equation has the form y = mx. |
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C. |
Variables x and y are not proportional. |
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D. |
The equation has the form y = mx + b. |
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Hint |
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13. |
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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14. |
Find the equation that is nonlinear. |
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A. |
y = 4y2 |
B. |
y = 14 + 6x |
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C. |
y = 8 – x |
D. |
y = –3x – 1 |
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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. |
What is the equation of a line that has a slope of 4 and passes through (6, 3)? |
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A. |
y = 4x – 3 |
B. |
y = 4x – 7 |
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C. |
y = 4x – 21 |
D. |
y = 4x – 27 |
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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 = –2x + 1 |
B. |
y = –x + 2 |
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C. |
y = –x – 1 |
D. |
y = –x – 2 |
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Hint |
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18. |
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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19. |
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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20. |
Which three points are collinear? |
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A. |
(3, –1), (2, 5), (2, –3) |
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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. |
(1, 2), (–3, –2), (–2, –4) |
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Hint |
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