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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 standard form of an equation of the line that passes through
(-2, 3) and has a slope of m = -3. |
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A. |
3x + y = -3 |
B. |
3x + y = 9 |
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C. |
3x + y = -9 |
D. |
y = -3x - 9 |
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Hint |
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3. |
Write the point-slope form of an equation of the line that contains  , which is the hypotenuse of the right triangle. |
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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. |
What is implied when it is said that x and y have a negative correlation? |
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A. |
When the value of x increases, the value of y decreases. |
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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 is negative, the value of y negative. |
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D. |
When the value of x increases, the value of y does not necessarily increase or decrease. |
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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. |
3x + 2y = 7 |
B. |
y = 2x + 5 |
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C. |
2x + 3y = 4 |
D. |
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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. |
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C. |
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D. |
0 |
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Hint |
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7. |
Use the direct variation equation y = 22x to find x when y = 88. |
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A. |
x = -4 |
B. |
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C. |
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D. |
x = 4 |
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Hint |
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8. |
Use the direct variation equation  to find x when y = -34. |
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A. |
x = -153 |
B. |
x = 153 |
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C. |
x = - |
D. |
x = |
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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 the line whose slope is  and whose
y-intercept is –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. |
Which equation describes the line that contains the points (6, 2) and (12, 4)? |
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A. |
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B. |
y = -3x |
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C. |
y = 3x |
D. |
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Hint |
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12. |
Which equation describes the line that contains the points (-5, 2) and (3, 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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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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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. |
Which relationship would most likely have a negative correlation? |
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A. |
The number of pizzas ordered, and the total price of the bill. |
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B. |
A person's age, and the address of the person. |
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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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