| |
| |
1. |
Find the coordinates of the midpoint of the segment with endpoints at
(3, -5) and (6, 7). |
| |
|
A. |
(9, 2) |
B. |
(4, 1) |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
2. |
Use the graph to determine the solution(s) of
x2 - x - 6 = 0. |
| |
|
 |
| |
|
A. |
-2, 3 |
B. |
-2 |
| |
|
C. |
-6 |
D. |
-3, 2 |
| |
|
Hint |
|
| |
3. |
Solve x2 - 4x - 5 = 0 by factoring. |
| |
|
A. |
-1, 5 |
B. |
-1, -5 |
| |
|
C. |
1, 5 |
D. |
1, -5 |
| |
|
Hint |
|
| |
4. |
Solve x2 - 4x + 1 = 0 by completing the square. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
1 |
D. |
2 |
| |
|
Hint |
|
| |
5. |
Solve x2 + 7x + 8 = 0. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
6. |
Suppose a ball is thrown straight up at a speed of 50 feet per second. The time in seconds that it takes for the ball to hit the ground can be found by solving the equation 5 + 50t - 16t2 = 0. Approximately how long does it take for the ball to hit the ground? |
| |
|
A. |
4.8 s |
B. |
3.2 s |
| |
|
C. |
-0.1 s |
D. |
0.1 s |
| |
|
Hint |
|
| |
7. |
What is the equation of the graph shown? |
| |
|
 |
| |
|
A. |
y = -x2 +2x - 1 |
B. |
y = -x2 - 2x - 1 |
| |
|
C. |
y = x2 - 2x + 1 |
D. |
y = x2 + 2x + 1 |
| |
|
Hint |
|
| |
8. |
If the vertex of a parabola is (3, -4), what is its axis of symmetry? |
| |
|
A. |
x = -4 |
B. |
y = -4 |
| |
|
C. |
x = 3 |
D. |
y = 3 |
| |
|
Hint |
|
| |
9. |
Which of the following graphs best represents the function y = –x2 + 7x + 8? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
10. |
Solve 2x2 - 7x + 5 = 0 by completing the square. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
4, 10 |
D. |
 |
| |
|
Hint |
|
| |
11. |
What is the equation of the parabola whose vertex is at (-3, 1) and passes through the point (-2, 4)? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
12. |
Find the axis of symmetry of the following function:  |
| |
|
A. |
x =  |
B. |
x =  |
| |
|
C. |
x = –7 |
D. |
x = 7 |
| |
|
Hint |
|
| |
13. |
Which point is the closest to (-2, 1)? |
| |
|
A. |
(-2, 5) |
B. |
(-5, 2) |
| |
|
C. |
(-1, 4) |
D. |
(-4, -1) |
| |
|
Hint |
|
| |
14. |
Find the vertex of y = -2x2 + 4x - 3. |
| |
|
A. |
(-2, -1) |
B. |
(-1, -1) |
| |
|
C. |
(1, -2) |
D. |
(1, -1) |
| |
|
Hint |
|
|
|