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1. |
Evaluate 7[32 - 2(1 + 2)] ÷ 7 + 52. |
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A. |
25 |
B. |
30 |
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C. |
26 |
D. |
28 |
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Hint |
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2. |
Determine the slope of the line graphed below. |
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A. |
0 |
B. |
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C. |
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D. |
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Hint |
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3. |
Write the standard form of an equation of the line that passes through
(3, 5) and has a slope of  . |
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A. |
 |
B. |
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C. |
3x + 4y = 29 |
D. |
undefined |
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Hint |
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4. |
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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5. |
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 decreases. |
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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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6. |
Which relationship would most likely have a positive correlation? |
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A. |
the amount of memory in computer, and the number of keys on the keyboard. |
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B. |
the number of tickets sold for a baseball game, and the number of hotdogs sold at the game. |
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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 rate at which a train travels, and the time it takes for it to reach its destination. |
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Hint |
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7. |
The equation V = -32t + 256 and the graph below describe the velocity V in feet per second of a ball t seconds after is is shot into the air. What is the ball's velocity after seven seconds? |
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A. |
0 ft/s |
B. |
256 ft/s |
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C. |
32 ft/s |
D. |
480 ft/s |
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Hint |
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8. |
Evaluate a2 - (b + c) if a = 8, b = 17, and c = 21. |
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A. |
26 |
B. |
34 |
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C. |
12 |
D. |
18 |
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Hint |
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9. |
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. |
0 |
D. |
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Hint |
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10. |
Suppose y varies directly as x, and y = -65 when x = -26. Write a direct variation equation that relates x and y. |
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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 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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13. |
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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14. |
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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15. |
Line segment  has endpoints A(-6, -3) and B(2, 1). Line segment  has endpoints C(-4, 8) and D(3, -6). Is perpendicular to ? Why? |
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A. |
No, the lines intersect but not at right angles. |
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B. |
Yes, the slopes are opposites. |
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C. |
Yes, the slopes are negative reciprocals. |
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D. |
No, the lines are parallel. |
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Hint |
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16. |
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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