Problems
Problem 1.1: Which ordered pair(s) in the set
{(7, 5),(5, 7),(13, 11),(- 2, 17)} satisfy the following system of equations?
[Solution] Problem 1.2: Which ordered pair(s) in the set
{(2, 5),(2, -9),(5, 2),(- 5, -2),(- 5, 12)} satisfy the following system of equations?
[Solution] Problem 1.3: Solve by graphing:
| y - 3x |
= |
-3 |
|
| y - 4 |
= |
- (x + 2) |
|
[Solution] Problem 1.4: Solve by graphing:
| y |
= |
- x + 2 |
|
| y + 1 |
= |
4(x + 3) |
|
[Solution] Problem 1.5: Is the following system consistent or inconsistent? Dependent or independent?
[Solution] Problem 1.6: Is the following system consistent or inconsistent? Dependent or independent?
[Solution] Problem 1.7: Is the following system consistent or inconsistent? Dependent or independent?
| 3x - 7y |
= |
6 |
|
| 9x - 21y |
= |
18 |
|
[Solution]
