| |
| |
1. |
What is the leading coefficient of the polynomial
p(x) = -3x5 + 4x3 - 5x2 + 4x - 6? |
| |
|
A. |
-6 |
B. |
4 |
| |
|
C. |
-3 |
D. |
3 |
| |
|
Hint |
|
| |
2. |
Which could be the degree of the function represented by the graph? |
| |
|
 |
| |
|
A. |
1 |
B. |
5 |
| |
|
C. |
3 |
D. |
4 |
| |
|
Hint |
|
| |
3. |
When x3 - 4x2 + x - 5 is divided by x - 2, the quotient is _____. |
| |
|
A. |
x2 - 2x - 3 |
B. |
x - 2 |
| |
|
C. |
-11 |
D. |
x2 - x + 25 |
| |
|
Hint |
|
| |
4. |
Find f(4) for f(x) = x3 - 2x2 + 3x - 7. |
| |
|
A. |
1 |
B. |
37 |
| |
|
C. |
2 |
D. |
11 |
| |
|
Hint |
|
| |
5. |
Approximate the real zero of f(x) = x3 + x + 1 to the nearest tenth. |
| |
|
A. |
-1.0 |
B. |
-0.7 |
| |
|
C. |
-1.3 |
D. |
0.3 |
| |
|
Hint |
|
| |
6. |
Graph f(x) = x3 - 4x2 + 2x – 3. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
7. |
How many possible negative real zeros are there for the polynomial
g(x) = 2x4 + x3 - 4x + 1? |
| |
|
A. |
1 |
B. |
2 |
| |
|
C. |
3 |
D. |
5 |
| |
|
Hint |
|
| |
8. |
One zero of h(x) = x3 - 3x2 + x + 5 is 2 - i. Which of the following is another zero? |
| |
|
A. |
1 |
B. |
1 - i |
| |
|
C. |
2 + i |
D. |
1 - 2i |
| |
|
Hint |
|
| |
9. |
Solve y4 - 18y2 + 81 = 0. |
| |
|
A. |
-3, 3, -3i, 3i |
B. |
3, 3i |
| |
|
C. |
3 |
D. |
-3, 3 |
| |
|
Hint |
|
| |
10. |
Find g[h(x)] if g(x) = x2 and h(x) = x + 3. |
| |
|
A. |
x2 + 6x + 9 |
B. |
x2 - x - 3 |
| |
|
C. |
x2 + x + 3 |
D. |
x3 + 3x2 |
| |
|
Hint |
|
| |
11. |
Which is the inverse of the relation {(1, -3), (3, 5), (6, -2)}? |
| |
|
A. |
{(1, -2), (3, 8), (6, 4)} |
B. |
{(1, 5), (3, -2), (6, -3)} |
| |
|
C. |
{(-3, 1), (5, 3), (-2, 6)} |
D. |
{(1, -3), (3, 5), (6, -2)} |
| |
|
Hint |
|
| |
12. |
Which is the graph of a function and its inverse? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
13. |
Which expression cannot be written in quadratic form? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
14. |
Which of the following cannot be a rational root of  , according to the Rational Zero Theorem? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
2 |
| |
|
Hint |
|
| |
15. |
Which of the following is a zero of the polynomial  |
| |
|
A. |
|
B. |
6 |
| |
|
C. |
 |
D. |
|
| |
|
Hint |
|
| |
16. |
Given that  and  , find  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
17. |
What are the x- and y-intercepts of  ? |
| |
|
A. |
x: no intercept, y: |
B. |
x: –5, y: |
| |
|
C. |
x: 5, y: |
D. |
x:, y: –5 |
| |
|
Hint |
|
| |
18. |
What is the domain and range of  ? |
| |
|
A. |
D: 
R:  |
B. |
D: 
R: |
| |
|
C. |
D:
R:  |
D. |
D:
R: |
| |
|
Hint |
|
|
|