| |
| |
1. |
The most efficient strategy to use in solving multi-step equations is to ______. |
| |
|
A. |
work backward |
B. |
draw a diagram |
| |
|
C. |
make a table |
D. |
guess and check |
| |
|
Hint |
|
| |
2. |
Solve the equation 12 + 2.5x = -16. |
| |
|
A. |
11.2 |
B. |
-1.6 |
| |
|
C. |
1.6 |
D. |
-11.2 |
| |
|
Hint |
|
| |
3. |
Find three consecutive odd integers whose sum is -45. |
| |
|
A. |
-17, -15, -13 |
B. |
-21, -19, -17 |
| |
|
C. |
13, 15, 17 |
D. |
-16, -15, -14 |
| |
|
Hint |
|
| |
4. |
Solve the equation  - 4 = 8. |
| |
|
A. |
g = -72 |
B. |
g = -24 |
| |
|
C. |
g = - |
D. |
g = -2 |
| |
|
Hint |
|
| |
5. |
Beth wants to buy her brother a birthday present. She has $27 that she wants to spend on the gift. She decides to go to the mall to buy him some CD's. If the CD's are all on sale for $5.99 (after tax), and she can have all of them gift-wrapped for a flat rate of $3.00, how many CD's can she buy and have gift-wrapped? |
| |
|
A. |
5CD's |
B. |
7 CD's |
| |
|
C. |
6 CD's |
D. |
4 CD's |
| |
|
Hint |
|
|
|