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1. |
What type of relationship is shown by the scatter plot? |
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A. |
positive |
B. |
both positive and negative |
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C. |
negative |
D. |
no relationship |
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Hint |
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2. |
Determine whether a scatter plot of data comparing a homeowner's height and the height of the trees in his or her yard would show a positive, negative, or no relationship. |
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A. |
positive |
B. |
negative |
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C. |
not enough information given |
D. |
no relationship |
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Hint |
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3. |
The function f(n) = 2.65n + 28.9 estimates the height in inches for a boy who is n years old. Choose values for n and graph the function. |
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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. |
The graph of a linear function is _______. |
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A. |
a curved line |
B. |
a horizontal line only |
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C. |
None of these is correct |
D. |
a straight line |
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Hint |
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5. |
Solve the system of equations y = -x + 5 and y = -x - 10 by graphing. |
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A. |
(2, 5) |
B. |
None of these is correct. |
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C. |
(5, 2) |
D. |
no solution |
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Hint |
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6. |
Find the 10th term of the sequence 4, 7, 10, 13,…. |
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A. |
28 |
B. |
37 |
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C. |
34 |
D. |
31 |
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Hint |
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7. |
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, 365 |
D. |
40, 121, 360 |
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Hint |
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8. |
Copy and complete the function table to find the function values of {-2, -1, 0, 1, 2} for f(n) = 3n + 2. |
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A. |
f(-2) = -4, f(-1) = -1, f(0) = 0, f(1) = 5, f(2) = 8 |
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B. |
f(-2) = -8, f(-1) = -5, f(0) = 2, f(1) = 5, f(2) = 8 |
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C. |
f(-2) = -4, f(-1) = -1, f(0) = 2, f(1) = 5, f(2) = 7 |
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D. |
f (-2) = -4, f (-1) = -1, f (0) = 2, f (1) = 5, f(2) = 8 |
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Hint |
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9. |
Find the solution of the system y = -3x + 2 and y = -1.5x + 5. |
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A. |
(-3, 9.5) |
B. |
(-2, 8) |
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C. |
(2, 8) |
D. |
(-1, 5) |
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Hint |
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10. |
A taxi costs $5 plus $8 for each mile. Which function relates the cost c of a taxi ride to the distance d traveled? |
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A. |
d = 5c + 8 |
B. |
c = 8d + 5 |
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C. |
c = 5d + 8 |
D. |
d = 8c + 5 |
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Hint |
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11. |
Find the slope of the line that passes through A(-3, 2) and B(1, 3). |
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A. |
-4 |
B. |
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C. |
4 |
D. |
- |
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Hint |
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12. |
Find the slope of the line that passes through W(2, -1) and X(-4, -1). |
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A. |
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B. |
3 |
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C. |
0 |
D. |
undefined |
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Hint |
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13. |
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 -7 and the y-intercept is . |
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C. |
The slope is -, and the x-intercept is 7. |
D. |
The slope is , and the y-intercept is -7. |
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Hint |
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14. |
Graph y =  x + 1 using the slope and y-intercept. |
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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. |
Graph y <  x + 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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16. |
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. |
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B. |
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C. |
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D. |
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Hint |
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