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1. |
What is the slope of the line that passes through (8, 4) and (6, 7)? |
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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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2. |
Write the point-slope form of an equation of the line that passes through
(-2, 5) and has a slope of zero. |
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A. |
y = 5 |
B. |
-2x + 5y = 0 |
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C. |
x = -2 |
D. |
y - 5 = x + 2 |
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Hint |
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3. |
Write an equation in slope-intercept form of a line with a slope of  and a y-intercept 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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4. |
Which graph is the graph of 3(y - 3) = -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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5. |
Which equation has a graph perpendicular to the graph 3y = 2x - 9? |
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A. |
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B. |
y = 2x + 5 |
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C. |
2x + 3y = 4 |
D. |
3x + 2y = 7 |
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Hint |
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6. |
Find the slope of the line that passes through (5, -5) and (9, -5). |
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A. |
undefined |
B. |
0 |
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C. |
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D. |
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Hint |
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7. |
Graph  |
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A. |
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Hint |
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8. |
Write an equation of a line that passes through (9, -64) with slope –7. |
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A. |
y = -7x + 1 |
B. |
y = -7x – 127 |
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C. |
y = -7x |
D. |
y = -7x – 1 |
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Hint |
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9. |
Write an equation of a line that passes through (-3, 4) with slope - . |
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A. |
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B. |
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D. |
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Hint |
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10. |
Write  in slope-intercept form. |
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A. |
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B. |
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C. |
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D. |
2x - 9y = -55 |
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Hint |
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11. |
Write the slope-intercept form of an equation for the line that passes through (-4, -26) and is parallel to  |
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A. |
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B. |
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D. |
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Hint |
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12. |
What is implied when it is said that x and y have no correlation? |
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A. |
When the value of x increases, the value of y does not necessarily increase or decrease. |
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B. |
When the value of x increases, the value of y increases. |
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C. |
When the value of x decreases, the value of y decreases. |
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D. |
When the value of x increases, the value of y decreases. |
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Hint |
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13. |
Which relationship would most likely have a negative correlation? |
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A. |
A person's height and the person's shoe size. |
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B. |
The number of miles driven, and the number of gallons of gas in the car. |
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C. |
A person's age, and the address of the person. |
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D. |
The number of pizzas ordered, and the total price of the bill. |
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Hint |
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14. |
If Dale Jarrett drives his car 1760 feet on the racetrack in 6 seconds, about how long will it take him to drive 2640 feet, a half mile? |
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A. |
9 seconds |
B. |
18 minutes |
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C. |
18 seconds |
D. |
6 minutes, 40 seconds |
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Hint |
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