| |
| |
1. |
Determine whether a scatter plot of a set of data involving height and size of feet would show a positive, negative, or no relationship. |
| |
|
A. |
negative |
B. |
positive |
| |
|
C. |
not enough information given |
D. |
no relationship |
| |
|
Hint |
|
| |
2. |
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. |
| |
|
A. |
no relationship |
B. |
negative |
| |
|
C. |
not enough information given |
D. |
positive |
| |
|
Hint |
|
| |
3. |
The graph of the line y = -4x |
| |
|
A. |
passes through the point (-4, -4) |
B. |
passes through the point (1, 4) |
| |
|
C. |
passes through the point (2, 8) |
D. |
passes through the point (0, 0) |
| |
|
Hint |
|
| |
4. |
Solve the system of equations y = -x + 5 and y = -x - 10 by graphing. |
| |
|
A. |
None of these is correct. |
B. |
(2, 5) |
| |
|
C. |
no solution |
D. |
(5, 2) |
| |
|
Hint |
|
| |
5. |
Find the seventeenth term, a17, in the sequence 11.7, 15.2, 18.7, ... |
| |
|
A. |
64.2 |
B. |
74.7 |
| |
|
C. |
71.2 |
D. |
67.7 |
| |
|
Hint |
|
| |
6. |
Find the next three terms of 0, 9, 18, 27, …. |
| |
|
A. |
36, 45, 55 |
B. |
36, 45, 53 |
| |
|
C. |
36, 44, 53 |
D. |
36, 45, 54 |
| |
|
Hint |
|
| |
7. |
Find the range of f(n) = -4n – 5 if the domain is –7. |
| |
|
A. |
f(-7) = -23 |
B. |
f(-7) = 33 |
| |
|
C. |
f(-7) = -33 |
D. |
f(-7) = 23 |
| |
|
Hint |
|
| |
8. |
Solve the system x + y = 10 and 3x – y = -2 by graphing. |
| |
|
A. |
(0, 6) |
B. |
(2, 8) |
| |
|
C. |
(3, 7) |
D. |
(1, 5) |
| |
|
Hint |
|
| |
9. |
A taxi costs $5 plus $8 for each mile. Which function relates the cost c of a taxi ride to the distance d traveled? |
| |
|
A. |
c = 8d + 5 |
B. |
d = 5c + 8 |
| |
|
C. |
d = 8c + 5 |
D. |
c = 5d + 8 |
| |
|
Hint |
|
| |
10. |
Which graph represents y = 2x + 3? |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
11. |
Find the slope of the line that passes through M(-6, 2) and N(-4, -2). |
| |
|
A. |
2 |
B. |
|
| |
|
C. |
-2 |
D. |
- |
| |
|
Hint |
|
| |
12. |
Find the slope of the line that passes through U(5, -2) and V(-1, -2). |
| |
|
A. |
1 |
B. |
undefined |
| |
|
C. |
0 |
D. |
-1 |
| |
|
Hint |
|
| |
13. |
State the slope and y-intercept of the graph of y = - x + 2. |
| |
|
A. |
The slope is 2, and the y-intercept is - . |
| |
|
B. |
The slope is -2, and the y-intercept is - . |
| |
|
C. |
The slope is , and the y-intercept is -2. |
| |
|
D. |
The slope is - , and the y-intercept is 2. |
| |
|
Hint |
|
| |
14. |
A T-shirt company charges a design fee of $25 and then sells the shirts for $10 each. The total cost y can be represented by the equation y = 10x + 25, where x represents the number of T-shirts. The graph of the equation is shown. Describe what the slope and y-intercept represent. |
| |
|
 |
| |
|
A. |
The slope represents the one-time design charge. The y-intercept represents the cost per T-shirt. |
| |
|
B. |
The slope represents the total cost of the T-shirts. The y-intercept represents the one-time design charge. |
| |
|
C. |
The slope represents the cost per T-shirt. The y-intercept represents the one-time design charge. |
| |
|
D. |
The slope represents the number of T-shirts. The y-intercept represents the cost per T-shirt. |
| |
|
Hint |
|
| |
15. |
Graph y > - x + 3. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
16. |
Coach Wilson has $60 to spend on pizza and pitchers of soft drinks for his team. If a pizza costs $12 and a pitcher of soft drink costs $3, which combination of pizzas and soft drinks can he buy? |
| |
|
A. |
6 pizzas and no pitchers of soft drink |
B. |
5 pizzas and 4 pitchers of soft drink |
| |
|
C. |
4 pizzas and 3 pitchers of soft drink |
D. |
4 pizzas and 5 pitchers of soft drink |
| |
|
Hint |
|
|
|