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1. |
Determine whether a scatter plot of data involving time spent in the car and remaining distance to Grandma's house would show a positive, negative, or no relationship. |
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A. |
negative |
B. |
positive |
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C. |
no relationship |
D. |
not enough information given |
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Hint |
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2. |
If n is the number of seconds between the lightning and the thunder
and f(n) is the number of feet between you and the lightning, then
f(n) = 1100n. If you are three miles from a lightning strike, in how
many seconds would you hear thunder? |
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A. |
14.4 seconds |
B. |
21.6 seconds |
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C. |
30 seconds |
D. |
7.2 seconds |
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Hint |
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3. |
The graph of the line y = -4x |
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A. |
passes through the
point (2, 8) |
B. |
passes through the
point (-4, -4) |
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C. |
passes through the
point (1, 4) |
D. |
passes through the
point (0, 0) |
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Hint |
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4. |
Find the seventeenth term, a17, in the sequence 11.7, 15.2, 18.7, ... |
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A. |
71.2 |
B. |
64.2 |
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C. |
67.7 |
D. |
74.7 |
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Hint |
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5. |
Find the next three terms of  , 1, 4, 13. |
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A. |
40, 121, 364 |
B. |
40, 120, 364 |
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C. |
40, 121, 360 |
D. |
40, 121, 365 |
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Hint |
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6. |
Find the range of f(n) = -4n – 5 if the domain is –7. |
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A. |
f(-7) = 33 |
B. |
f(-7) = -33 |
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C. |
f(-7) = -23 |
D. |
f(-7) = 23 |
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Hint |
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7. |
Find the solution of the system y = -3x + 2 and y = -1.5x + 5. |
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A. |
(2, 8) |
B. |
(-3, 9.5) |
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C. |
(-2, 8) |
D. |
(-1, 5) |
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Hint |
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8. |
Which graph represents y = 2x + 3? |
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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. |
Find the slope of the line that passes through A(-3, 2) and B(1, 3). |
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A. |
- |
B. |
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C. |
-4 |
D. |
4 |
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Hint |
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10. |
Find the slope of the line that passes through W(2, -1) and X(-4, -1). |
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A. |
3 |
B. |
0 |
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C. |
undefined |
D. |
 |
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Hint |
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11. |
State the slope and y-intercept of the graph of y =  x – 7. |
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A. |
The slope is -7 and the y-intercept is . |
B. |
The slope is , and the y-intercept is -7. |
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C. |
The slope is 7, and the y-intercept is -. |
D. |
The slope is -, and the x-intercept is 7. |
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Hint |
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12. |
Graph y = 4x - 3 using the slope and y-intercept. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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13. |
The scatter plot shows the relationship between time spent watching television and time spent on physical activity. Which equation could be used to describe a best-fit line? |
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A. |
y = -x + 8 |
B. |
y = -x + 8 |
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C. |
y = x + 8 |
D. |
y = x + 8 |
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Hint |
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14. |
Solve the system y = x + 1 and y – x = 1 by graphing. |
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A. |
(4, 5) |
B. |
no solution |
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C. |
coordinates of all points on the graph of y = x + 1 |
D. |
(-1, 0) |
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Hint |
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15. |
The tickets for the student council dance are $5 for singles and $8 for couples. To cover the expenses, the student council must sell at least $800 worth of tickets. Which graph represents the number of each type of ticket the student council must sell? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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16. |
Mario must finish his science and German homework during the next 35 minutes. Which graph represents the number of minutes Mario can spend on each subject? |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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