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1. |
Determine the slope of the line that passes through (2, 2) and (5, 8). |
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A. |
2 |
B. |
-2 |
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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 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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3. |
Which line has a slope of and passes through (2, -4)? |
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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 increases. |
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B. |
When the value of x increases, the value of y does not necessarily increase or decrease. |
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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 decreases. |
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Hint |
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5. |
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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Hint |
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6. |
A direct variation equation has (-2, 4) and (n, -8) as solutions. Find the missing value. |
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A. |
16 |
B. |
1 |
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C. |
-2 |
D. |
4 |
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Hint |
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7. |
Which graph is the graph of y - 2 = 4(x + 5)? |
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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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8. |
Which equation has a graph perpendicular to the graph 3y = 2x - 9? |
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A. |
2x + 3y = 4 |
B. |
3x + 2y = 7 |
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C. |
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D. |
y = 2x + 5 |
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Hint |
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9. |
Which equation is the slope-intercept form of the equation of the line that passes through (1, 2) and is parallel to 4x - 2y = 6? |
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A. |
y = 2x |
B. |
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C. |
y = 4x + 3 |
D. |
y = -2x + 1 |
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Hint |
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10. |
Graph  |
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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  |
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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 an equation of a line that passes through (-6, 2) 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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13. |
Which equation describes the line that contains the points (6, 2) and (12, 4)? |
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A. |
y = -3x |
B. |
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C. |
y = 3x |
D. |
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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 height and the person's shoe size. |
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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. |
The number of pizzas ordered, and the total price of the bill. |
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Hint |
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