| |
| |
1. |
Evaluate the function f(x) = 2x3 - 6x + 1 for f(-2). |
| |
|
A. |
-35 |
B. |
-3 |
| |
|
C. |
5 |
D. |
37 |
| |
|
Hint |
|
| |
2. |
Find the first three iterates, x1, x2, and x3, of the function f(x) = 3x - 1 for an initial value x0=1. |
| |
|
A. |
2, 5, 14 |
B. |
-4, -13, -40 |
| |
|
C. |
5, 14, 41 |
D. |
8, 23, 88 |
| |
|
Hint |
|
| |
3. |
Find a linear equation that can model the data shown in the graph. |
| |
|
 |
| |
|
A. |
2x + 5y - 3 = 0 |
B. |
2x + 3y + 6 = 0 |
| |
|
C. |
2x -3y + 6 = 0 |
D. |
3x - 2y + 6 = 0 |
| |
|
Hint |
|
| |
4. |
Write the standard form of the equation of the line that passes through the point (-1, 3) and is parallel to the graph of 2x - 7y + 1 = 0. |
| |
|
A. |
2x - 7y - 23 = 0 |
B. |
2x + 7y - 23 = 0 |
| |
|
C. |
2x + 7y + 23 = 0 |
D. |
2x - 7y + 23 = 0 |
| |
|
Hint |
|
| |
5. |
Find f(2b2) for f(x) = x2 – 4x |
| |
|
A. |
4b2 - 8b8 |
B. |
4b4 - 8b2 |
| |
|
C. |
-4b2 |
D. |
2b4 - 8b2 |
| |
|
Hint |
|
| |
6. |
Find the domain of f(g(x)) given f(x) = , and g(x) = x-1 |
| |
|
A. |
all real numbers |
B. |
x 1 |
| |
|
C. |
x 1,-1 |
D. |
x 0, 1, -1 |
| |
|
Hint |
|
| |
7. |
Graph the equation 3x + 2y = 0 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
8. |
Find the zero of f(x) = 2x - 3, then graph the function. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
9. |
Write an equation in slope-intercept form with a slope of that passes through the point (-3, -5). |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
10. |
Determine the equation of the perpendicular bisector of the line segment with endpoints (1,5) and (-6, 3). |
| |
|
A. |
14x + 4y + 19 = 0 |
B. |
2x + 7y + 23 = 0 |
| |
|
C. |
14x + 4y - 19 = 0 |
D. |
2x + 7y - 23 = 0 |
| |
|
Hint |
|
| |
11. |
Use two ordered pairs to write the equation of a best-fit line. |
| |
|
 |
| |
|
A. |
y = 5x |
B. |
y = 3x + 72 |
| |
|
C. |
y = 5x + 75 |
D. |
y = 3x |
| |
|
Hint |
|
| |
12. |
Ilene analyzed her test scores and determined the equation of the best-fit line was y = 4.25x + 72. Predict her score for the 5th test. |
| |
|
A. |
93.25 |
B. |
98.5 |
| |
|
C. |
88.75 |
D. |
72.5 |
| |
|
Hint |
|
| |
13. |
Graph the equation  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
14. |
What is the value of y when x = 2? |
| |
|
 |
| |
|
A. |
2 |
B. |
undefined |
| |
|
C. |
0 |
D. |
1 |
| |
|
Hint |
|
| |
15. |
Which is the graph of the inequality 2x + y + 3 >0? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
16. |
Which is the graph of the inequality y > |2x + 1| ? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|