Question

A line passes through the points (p, a) and (p, -a) where and a are real numbers. If p= 0, what is the y-intercepti Explain your reasoning.

Answer 1

`\begin{gathered} \Rightarrow m=(-a-a)/(p-p)=\text{infinite} \\ So\text{, the }y-\text{intercept is a and-a.} \end{gathered}`