Lines are parallel (no solution) if

Lines are parallel (no solution) if
  1. $\dfrac{a_1}{a_2} = \dfrac{b_1}{b_2} \ne \dfrac{c_1}{c_2}$
  2. $\dfrac{a_1}{a_2} \ne \dfrac{b_1}{b_2}$
  3. $\dfrac{a_1}{a_2} = \dfrac{b_1}{b_2} = \dfrac{c_1}{c_2}$
  4. $c_1 = c_2$

Solution

Equal slopes but different intercepts.

Asked in: MH-SSC-9

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