Mathematics · Linear Equations
The system of equations a1x + b1y + c1 = 0 and a2x + b2y + c2 = 0 will have infinite solutions if:
- 1a1a2 = b1b2 ≠ c1c2
- 2a1a2 = b1b2 = c1c2✓
- 3a1a2 ≠ b1b2
- 4a1a2 = b1b2
Correct answer
a1a2 = b1b2 = c1c2
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