| |
| |
1. |
The formula for the area of a trapezoid is  Solve the formula for h. |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
2. |
Graph the solution set of |3y + 9| > 12. |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
3. |
State the solution of the system of equations graphed below. |
| |
|
 |
| |
|
A. |
(3, -1) |
B. |
(3, 1) |
| |
|
C. |
(0, 3) |
D. |
(-1, 3) |
| |
|
Hint |
|
| |
4. |
Which coordinates are not of the vertices of the feasible region for the system of inequalities? 
|
| |
|
A. |
(2, 4) |
B. |
(5, 4) |
| |
|
C. |
(0, 6) |
D. |
(5, 1) |
| |
|
Hint |
|
| |
5. |
Find the value of 63. |
| |
|
A. |
36 |
| |
|
B. |
216 |
| |
|
C. |
729 |
| |
|
D. |
18 |
| |
|
Hint |
|
| |
6. |
Determine which matrix has a determinant. |
| |
|
A. |
 |
B. |
[1 -4 -8] |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
7. |
Simplify  |
| |
|
A. |
2jk - j2k3 |
B. |
4k - j2k3 |
| |
|
C. |
2k - j2k3 |
D. |
2k - j2k |
| |
|
Hint |
|
| |
8. |
Which is the quadratic term in the function f(x) = 3x2 + 6x - 4? |
| |
|
A. |
x2 |
B. |
3x2 |
| |
|
C. |
3x2 + 6x - 4 |
D. |
3 |
| |
|
Hint |
|
| |
9. |
Find the axis of symmetry of the graph of g(x) = x2 - 5x + 2. |
| |
|
A. |
 |
B. |
x = 2 |
| |
|
C. |
x = -5 |
D. |
 |
| |
|
Hint |
|
| |
10. |
When x3 - 4x2 + x - 5 is divided by x - 2, the quotient is _____. |
| |
|
A. |
-11 |
B. |
x - 2 |
| |
|
C. |
x2 - 2x - 3 |
D. |
x2 - x + 25 |
| |
|
Hint |
|
| |
11. |
Solve x4 - 5x2 + 4 = 0. |
| |
|
A. |
-1, 1, -2i, 2i |
B. |
1, 2 |
| |
|
C. |
-1, 1, -2, 2 |
D. |
-1, 1 |
| |
|
Hint |
|
| |
12. |
What is true about a system of equations in three variables that has 1 solution? |
| |
|
A. |
planes have no points in common |
B. |
planes intersect in the same plane |
| |
|
C. |
planes intersect in one line |
D. |
planes intersect in one point |
| |
|
Hint |
|
| |
13. |
Given that   and  use the fact that  to find AB + AC. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
14. |
Solve 2.4x + 1.7y = 8.2, 3.8x 0.8y = 5.3. Round to the nearest hundredth. |
| |
|
A. |
(1.86, 2.20) |
B. |
(1.86, 2.20) |
| |
|
C. |
(1.86, 2.20) |
D. |
(1.86, 2.20) |
| |
|
Hint |
|
| |
15. |
Simplify |
| |
|
A. |
2 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
16. |
Solve  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
17. |
What is the y-intercept of the function y = 2x2 + 1 |
| |
|
A. |
1 |
B. |
none |
| |
|
C. |
3 |
D. |
0 |
| |
|
Hint |
|
| |
18. |
Solve by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are located. |
| |
|
A. |
between 0 and 1, and 1 and 2 |
B. |
between 1 and 0, and 1 and 2 |
| |
|
C. |
between 0 and 1, and 2 and 3 |
D. |
1, 2 |
| |
|
Hint |
|
| |
19. |
Find all zeros of  . |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
20. |
Given  and  , what is  ? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|