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If the line $x = a + m$ , $y = - 2$ and y=mx are concurrent , then least value of $|a|$ is

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Correct option is C

By eliminating x,y from three equations we get –2 = m (a + m) ⇒m2+am+2=0 Since m∈R⇒dis≥0∴a2−8≥0⇒|a|≥22

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If the line x=a+m, y=−2 and y=mx are concurrent , then least value of a is

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If the line $x = a + m$ , $y = - 2$ and y=mx are concurrent , then least value of $|a|$ is