| |
| |
1. |
Kurt is saving to buy a new computer. The computer he wants costs $1299. He has already saved $732. Write an inequality to determine the least amount he must still save. |
| |
|
A. |
732 + s  1299 |
B. |
732 + s  1299 |
| |
|
C. |
1299 + s 732 |
D. |
1299 + s 732 |
| |
|
Hint |
|
| |
2. |
Use elimination to solve the system of equations.
-x + 2y = 18
x + 8y = -38 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
(-5, -1) |
D. |
(-22, -2) |
| |
|
Hint |
|
| |
3. |
Draw the graph of y < 0.5x + 1. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
4. |
Find a solution to the equation using backtracking.
 |
| |
|
A. |
n = –89 |
B. |
n = –12 |
| |
|
C. |
n = 10 |
D. |
n = –100 |
| |
|
Hint |
|
| |
5. |
Find a solution to the equation by doing the same thing to both sides.
3(5f + 7) + 9(f + 4) = 9 |
| |
|
A. |
f = –2 |
B. |
f = –9 |
| |
|
C. |
f = –12 |
D. |
f = –10 |
| |
|
Hint |
|
| |
6. |
Choose the correct graph of y = 12x – 3x |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
7. |
Toby needs to create a rectangular pen for his dog. He decides that the area of the pen will be 100 square feet with its length 2 feet longer than its width. What are the dimensions of Toby's pen approximated to the nearest hundredth? |
| |
|
A. |
length 11.05 ft width 9.05 ft |
| |
|
B. |
length 10.32 ft width 8.32 ft |
| |
|
C. |
length 10.00 ft width 10.00 ft |
| |
|
D. |
length 10.58 ft width 8.58 ft |
| |
|
Hint |
|
| |
8. |
Use a graph to solve the system of equations.
y = x2
y = –x + 2 |
| |
|
A. |
(1, 1), (4, –2) |
B. |
(4, 1), (1, –2) |
| |
|
C. |
(–2, 4), (1, 1) |
D. |
(–2, 1), (1, 4) |
| |
|
Hint |
|
|
|