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1. |
Which statement is true about the graph shown below? |
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A. |
The relation is a function. |
B. |
The domain is {-3, 2, 4}. |
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C. |
The range is {-3, -2, 0, 1}. |
D. |
The relation is not a function. |
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Hint |
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2. |
Which is the standard form of a linear equation? |
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A. |
3x2 + y = 5 |
B. |
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C. |
4x - 9y = 1 |
D. |
y = 2x - 3 |
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Hint |
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3. |
Find the y-intercept of the graph of 2x - 5y = 10. |
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A. |
0 |
B. |
-2 |
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C. |
5 |
D. |
2 |
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Hint |
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4. |
The temperature f(x) of water in a lake in degrees Fahrenheit is estimated by the function shown below, where x is the depth in feet of the water. What would be the temperature of water 30 feet below the surface? |
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A. |
63°F |
B. |
111°F |
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C. |
71.25°F |
D. |
33°F |
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Hint |
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5. |
State the slope and y-intercept of the graph of -y = -0.9x + 4. |
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A. |
m = -4, b = 0.9 |
B. |
m = 0.9, b = -4 |
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C. |
m = -0.9, b = 4 |
D. |
m = 4, b = -0.9 |
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Hint |
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6. |
Find the slope-intercept form of an equation of the line that has a slope of and passes through (8,2). |
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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. |
If f(x) = [2x - 1], find f(5.4). |
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A. |
8 |
B. |
10 |
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C. |
9.8 |
D. |
9 |
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Hint |
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8. |
State which ordered pair satisfies  |
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A. |
(0, 1) |
B. |
(1, 2) |
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C. |
(1, 5) |
D. |
(0, 0) |
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Hint |
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9. |
Choose the graph of y < 2x. |
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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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10. |
Graph the line passing through the point (2, -5) with a slope of –2. |
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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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11. |
Graph the line through (2, 3) that is perpendicular to the line with equation 2x + 5y = 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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12. |
A scatter plot is __________. |
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A. |
a set of data graphed as ordered pairs in a coordinate plane |
B. |
a line graphed in a portion of Quadrant I of the coordinate plane |
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C. |
a line graph |
D. |
a table of data |
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Hint |
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13. |
A line of fit is drawn on a scatter plot showing the number of pets owned by automobile owners and the number of miles driven each month. What would probably be the best description of the slope of this line? |
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A. |
undefined |
B. |
zero |
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C. |
positive |
D. |
negative |
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Hint |
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14. |
What type of function is shown in the graph? |
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A. |
absolute value function |
B. |
constant function |
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C. |
piecewise function |
D. |
step function |
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Hint |
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