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1. |
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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2. |
Write  in standard form. |
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A. |
2x + 3y = 0 |
B. |
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C. |
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D. |
2x + 3y = -8 |
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Hint |
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3. |
Write the point-slope form of an equation of the line that passes through (4, -3) and (2, 1). |
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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 increases, the value of y does not necessarily increase or decrease. |
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D. |
When the value of x is negative, the value of y negative. |
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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 pair of lines graphed below are parallel? |
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A. |
l and m |
B. |
l and n |
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C. |
k and n |
D. |
k and m |
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Hint |
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7. |
Use the direct variation equation  to find x when y = -34. |
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A. |
x = -153 |
B. |
x =  |
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C. |
x = - |
D. |
x = 153 |
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Hint |
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8. |
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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9. |
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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10. |
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 – 1 |
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C. |
y = -7x |
D. |
y = -7x – 127 |
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Hint |
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11. |
A ticket service is selling tickets to a concert. An order of 4 tickets has a price of $63 and an order of 6 tickets has a price of $92. Write an equation to find the price of any amount of tickets. |
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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 perpendicular to the graph of y = -3x + 5 and passes through the x-intercept of that line. |
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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 relationship would most likely have no correlation? |
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A. |
The number of miles driven, and the number of gallons of gas in the car. |
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B. |
The number of pizzas ordered, and the total price of the bill. |
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C. |
A person's age, and the address of the person. |
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D. |
A person's height and the person's shoe size. |
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Hint |
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14. |
Which of the following pairs of coordinates are on a line with an undefined slope? |
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A. |
(2, 1), (5, -2) |
B. |
(-4, -3), (3, -3) |
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C. |
(3, -2), (3, 5) |
D. |
(-2, -2), (4, 4) |
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Hint |
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