Across
- 3. x = 2, y = 3 is one ___ of the system
- 6. If a1/a2 ≠ b1/b2, system has unique solution, called ___
- 9. Method: add/subtract equations to remove one variable
- 10. If a1/a2 = b1/b2 ≠ c1/c2, lines are ___, no solution
- 11. Draw lines of both equations to find solution visually
- 12. ax + by + c = 0 is called ___ equation in two variables
- 13. If a1/a2 = b1/b2 = c1/c2, lines are ___, infinite solutions
Down
- 1. Letters x and y in ax + by + c = 0 are called ___
- 2. If a1/a2 ≠ b1/b2, lines are ___, unique solution
- 4. Method: a1x + b1y = c1, a2x + b2y = c2, multiply to cancel
- 5. Graphical method shows solution as ___ of two lines
- 7. If a1/a2 = b1/b2 ≠ c1/c2, lines do not meet, called ___
- 8. Method: find x from 1st eq, put in 2nd eq