| |
| |
1. |
Simplify 3 + 2(xy+ 3z) + 4xy. |
| |
|
A. |
6xy + 3z + 3 |
B. |
5xy + 3z + 3 |
| |
|
C. |
9xy + 15z |
D. |
6xy + 6z + 3 |
| |
|
Hint |
|
| |
2. |
Which triangle is similar to  |
| |
|
 |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
3. |
Find the length of the missing side to the nearest hundredth. |
| |
|
 |
| |
|
A. |
7.81 |
B. |
8.06 |
| |
|
C. |
8.25 |
D. |
7.62 |
| |
|
Hint |
|
| |
4. |
Simplify . |
| |
|
A. |
4 |
B. |
 |
| |
|
C. |
16 |
D. |
 |
| |
|
Hint |
|
| |
5. |
Solve . |
| |
|
A. |
-1 |
B. |
-4, -1 |
| |
|
C. |
no real solution |
D. |
-4 |
| |
|
Hint |
|
| |
6. |
The distance between the points with coordinates (3, 7) and (-2, a) is units. Find the value of a. |
| |
|
A. |
1 or 13 |
B. |
-1 or 1 |
| |
|
C. |
-1 or -13 |
D. |
-1 or 13 |
| |
|
Hint |
|
| |
7. |
Factor x2 – 4x – 32. |
| |
|
A. |
(x +16)(x – 2) |
B. |
(x – 16)(x + 2) |
| |
|
C. |
(x – 8)(x + 4) |
D. |
(x + 8)(x – 4) |
| |
|
Hint |
|
| |
8. |
Simplify . |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
9. |
Find . |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
10. |
What is the perimeter of a rectangle whose length is and whose width is  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
11. |
Suppose the formula represents the relationship between a plane's length L and the pounds P its wings can lift, where k is a constant of proportionality calculated for a plane. If a plane must be able to support 300,000 pounds and its wings are 180 feet, what is the value of k? |
| |
|
A. |
0.0006 |
B. |
0.0245 |
| |
|
C. |
0.108 |
D. |
0.573 |
| |
|
Hint |
|
| |
12. |
Determine the third side measure that will form a right triangle if two of the sides are 9 and 41. |
| |
|
A. |
42 |
B. |
40 |
| |
|
C. |
does not exist |
D. |
27 |
| |
|
Hint |
|
| |
13. |
What is the perimeter of a triangle whose vertices are the points (–1, 4), (–1, –2), (5, –2)? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
14. |
What is the value of x in the picture? |
| |
|
 |
| |
|
A. |
4 |
B. |
6 |
| |
|
C. |
10.3 |
D. |
13.5 |
| |
|
Hint |
|
|