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Question 923703: A line passes through the points (p, a) and (p, –a) where p and a are real numbers. If p=0, what is the y-intercept? Explain your reasoning.
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! the line is a vertical line, and therefore has no single y-intercept.
in other words, y-intercept is undefined for all vertical lines.
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