| |
| |
1. |
Solve the system of equations by using substitution. 
|
| |
|
A. |
(4, 9) |
B. |
(5, 11) |
| |
|
C. |
(1, 3) |
D. |
(3, 7) |
| |
|
Hint |
|
| |
2. |
Use substitution to solve the system of equations given below.
y = 2x
5x - y = -24 |
| |
|
A. |
no solution |
B. |
infinitely many solutions |
| |
|
C. |
(-4, -8) |
D. |
(-8, -16) |
| |
|
Hint |
|
| |
3. |
Use substitution to solve the system of equations given below.
 |
| |
|
A. |
no solution |
B. |
infinitely many solutions |
| |
|
C. |
 |
D. |
(-5, 5) |
| |
|
Hint |
|
| |
4. |
Use substitution to solve the system of equations given by y = 2x and 5x + y = 7. |
| |
|
A. |
(-1, -2) |
B. |
(-2, -5) |
| |
|
C. |
(2, 5) |
D. |
(1, 2) |
| |
|
Hint |
|
| |
5. |
Use substitution to solve the system of equations given by x – 4y = 24 and 3x – 4y = 16. |
| |
|
A. |
(-4, -7) |
B. |
(10, 3.5) |
| |
|
C. |
(10, -3.5) |
D. |
(-4, 7) |
| |
|
Hint |
|
|
|