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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. |
Determine the slope of the line graphed below. |
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A. |
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B. |
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C. |
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D. |
0 |
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Hint |
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3. |
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. |
x = -2 |
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C. |
y - 5 = x + 2 |
D. |
-2x + 5y = 0 |
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Hint |
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4. |
Write  in standard form. |
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A. |
2x + 3y = -8 |
B. |
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C. |
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D. |
2x + 3y = 0 |
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Hint |
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5. |
A direct variation equation has (-2, 4) and (n, -8) as solutions. Find the missing value. |
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A. |
4 |
B. |
-2 |
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C. |
1 |
D. |
16 |
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Hint |
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6. |
Which graph is the graph of  |
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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 direct variation equation y = 22x to find x when y = 88. |
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A. |
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B. |
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C. |
x = 4 |
D. |
x = -4 |
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Hint |
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8. |
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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9. |
Write an equation of a line that passes through (-12, -14) with slope  . |
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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. |
Which equation describes the line that contains the points (7, 17) and (15, 33)? |
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A. |
y = 2x + 3 |
B. |
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C. |
y = -2x + 31 |
D. |
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Hint |
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11. |
Write the slope-intercept form of an equation for the line that passes through (-8, -1) and is parallel to the graph of  |
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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. |
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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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. |
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 increases, the value of y decreases. |
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D. |
When the value of x decreases, the value of y decreases. |
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Hint |
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14. |
Which relationship would most likely have no correlation? |
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A. |
A person's age, and the address of the person. |
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B. |
A person's height and the person's shoe size. |
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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 number of pizzas ordered, and the total price of the bill. |
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Hint |
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