Pair of Linear Equations in Two Variables
- General Form:– a1x + b1y + c1 = 0 and a2x + b2y + c2 = 0
- Intersecting Lines (Unique Solution):– a1/a2 ≠ b1/b2
- Coincident Lines (Infinity Many Solutions):– a1/a2 = b1/b2 = c1/c2
- Parallel Lines (No Solution):– a1/a2 = b1/b2 ≠ c1/c2