| |
| |
1. |
Which of the values is a solution to the equation 2x + 7 = 37? |
| |
|
A. |
5 |
B. |
15 |
| |
|
C. |
-10 |
D. |
3 |
| |
|
Hint |
|
| |
2. |
Which set notation means that 4 is an element of {3,4,5,6}? |
| |
|
A. |
 {3, 4, 5, 6} |
B. |
4 {3, 4, 5, 6} |
| |
|
C. |
4 {3, 4, 5, 6} |
D. |
4 {3, 4, 5, 6} |
| |
|
Hint |
|
| |
3. |
If A = {5, 6, 7, 8} and B = {8, 9}. what set notation means that 7 belongs to set A but not set B? |
| |
|
A. |
7A, 7 B |
B. |
7 = A, 7B |
| |
|
C. |
7 A, 7 B |
D. |
7 A, 7B |
| |
|
Hint |
|
| |
4. |
What value is a solution to the equation  |
| |
|
A. |
-8 |
B. |
12 |
| |
|
C. |
-12 |
D. |
8 |
| |
|
Hint |
|
| |
5. |
Use mental math to solve  |
| |
|
A. |
-20 |
B. |
4 |
| |
|
C. |
-4 |
D. |
-12 |
| |
|
Hint |
|
|
|