| |
| |
1. |
Use the graph to determine the solution(s) of
x2 - x - 6 = 0. |
| |
|
 |
| |
|
A. |
-2 |
B. |
-2, 3 |
| |
|
C. |
-3, 2 |
D. |
-6 |
| |
|
Hint |
|
| |
2. |
Solve the equation n2 +3n = 0 by graphing. |
| |
|
A. |
0, 3 |
B. |
0 |
| |
|
C. |
3 |
D. |
0, -3 |
| |
|
Hint |
|
| |
3. |
Solve the equation w2 - 4w = 12 by graphing. |
| |
|
A. |
0, -3 |
B. |
1, 4 |
| |
|
C. |
-2, 6 |
D. |
6 |
| |
|
Hint |
|
| |
4. |
A quadratic function has two real roots. How many times does the graph cross the x-axis? |
| |
|
A. |
2 |
B. |
cannot be determined from given information. |
| |
|
C. |
1 |
D. |
0 |
| |
|
Hint |
|
| |
5. |
Solve -x2 + 3x + 5 = 0 by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are located. |
| |
|
A. |
between –1 and 0, and between 4 and 5 |
| |
|
B. |
between –2 and–1, and between 3 and 4 |
| |
|
C. |
between –1 and 0, and between 3 and 4 |
| |
|
D. |
between –2 and -1, and between 4 and 5 |
| |
|
Hint |
|
|
|