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1. |
Determine the slope of the line graphed below. |
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A. |
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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 |
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2 |
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3. |
Write the standard form of an equation of the line that passes through
(3, 5) and has a slope of  . |
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A. |
undefined |
B. |
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C. |
3x + 4y = 29 |
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Hint |
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4. |
Which relationship would most likely have a positive correlation? |
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A. |
the number of tickets sold for a baseball game, and the number of hotdogs sold at the game. |
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B. |
the rate at which a train travels, and the time it takes for it to reach its destination. |
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C. |
the number of miles driven, and the number of gallons of gas in the car. |
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D. |
the amount of memory in computer, and the number of keys on the keyboard. |
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Hint |
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5. |
Which graph is the graph of y - 2 = 4(x + 5)? |
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6. |
Which graph is the graph of  |
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Hint |
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7. |
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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8. |
Graph  |
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Hint |
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9. |
Write an equation of the line shown in the graph. |
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A. |
y = -2x + 5 |
B. |
y = -2x – 5 |
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C. |
y = 2x + 5 |
D. |
y = 2x – 5 |
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Hint |
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10. |
Write an equation of a line that passes through (9, -64) with slope –7. |
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y = -7x – 127 |
B. |
y = -7x |
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C. |
y = -7x – 1 |
D. |
y = -7x + 1 |
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Hint |
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11. |
Write an equation of a line that passes through (-12, -14) with slope  . |
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A. |
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12. |
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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13. |
Write the slope-intercept form of an equation for the line that passes through (-4, -26) and is parallel to  |
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14. |
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. |
The number of pizzas ordered, and the total price of the bill. |
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C. |
The number of miles driven, and the number of gallons of gas in the car. |
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D. |
A person's height and the person's shoe size. |
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Hint |
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