Zero of $p(x) = ax + b,\ a \ne 0$ is

Zero of $p(x) = ax + b,\ a \ne 0$ is
  1. $-\dfrac{b}{a}$
  2. $\dfrac{b}{a}$
  3. $\dfrac{a}{b}$
  4. $0$

Solution

Solve $ax + b = 0$ to get $x = -\dfrac{b}{a}$.

Asked in: MH-SSC-9

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