| |
| |
1. |
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. |
| |
|
A. |
not enough information given |
B. |
positive |
| |
|
C. |
negative |
D. |
no relationship |
| |
|
Hint |
|
| |
2. |
If f(n) = -6n + 2, find f . |
| |
|
A. |
-3 |
B. |
9 |
| |
|
C. |
4 |
D. |
8 |
| |
|
Hint |
|
| |
3. |
Three ordered pairs for f(n) = 2n - 1 are (-1, -3), (1, 1), and (2, 3). Graph the function. |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
4. |
The graph of a linear function is _______. |
| |
|
A. |
a curved line |
B. |
a horizontal line only |
| |
|
C. |
a straight line |
D. |
None of these is correct |
| |
|
Hint |
|
| |
5. |
Find the solution of the system y = 2.5x + 1.5 and -3x + y = 1. |
| |
|
A. |
(3, 1) |
B. |
(2, -1) |
| |
|
C. |
(1, 4) |
D. |
(4, 1) |
| |
|
Hint |
|
| |
6. |
The fifth term of a geometric sequence is  . The common ratio is  . Find the first term. |
| |
|
A. |
9 |
B. |
8 |
| |
|
C. |
10 |
D. |
11 |
| |
|
Hint |
|
| |
7. |
Determine whether a scatter plot of a set of data involving a person's height and telephone number would show a positive, negative or no relationship? |
| |
|
A. |
Negative |
B. |
No Relationship |
| |
|
C. |
Both Positive and Negative |
D. |
Positive |
| |
|
Hint |
|
| |
8. |
Find the next three terms of 1,  , 0, -, …. |
| |
|
A. |
-1, -2, -3 |
B. |
-1,  , -2 |
| |
|
C. |
1, , 2 |
D. |
, -2,  |
| |
|
Hint |
|
| |
9. |
Using P = 4s, find P if s = 43 mm. |
| |
|
A. |
P = 10.75 mm |
B. |
P = 172 mm |
| |
|
C. |
P = 443 mm |
D. |
P = 47 mm |
| |
|
Hint |
|
| |
10. |
Solve the system x + y = 10 and 3x – y = -2 by graphing. |
| |
|
A. |
(1, 5) |
B. |
(0, 6) |
| |
|
C. |
(3, 7) |
D. |
(2, 8) |
| |
|
Hint |
|
| |
11. |
Find the slope of the line that passes through C(3, -5) and D(7, -1). |
| |
|
A. |
 |
B. |
- |
| |
|
C. |
1 |
D. |
-1 |
| |
|
Hint |
|
| |
12. |
Find the slope of the line that passes through W(2, -1) and X(-4, -1). |
| |
|
A. |
 |
B. |
0 |
| |
|
C. |
undefined |
D. |
3 |
| |
|
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 -, and the y-intercept is 2. |
| |
|
C. |
The slope is , and the y-intercept is -2. |
| |
|
D. |
The slope is -2, and the y-intercept is -. |
| |
|
Hint |
|
| |
14. |
Graph y = -2x - 1 using the slope and y-intercept. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
15. |
Graph y < -x – 4. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
16. |
Graph y <  x + 2. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|