What is the slope and y-intercept of this line $x = -3$ ?

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Answer 1 · 2017-03-25T20:41:26

A line in the form $x = color(red)(a)$ where $color(red)(a)$ is a constant is, by definition a vertical line.

By definition the slope of a vertical line is undefined.

The y-intercept does not exist.

What is the slope and y-intercept of this line x = -3x = -3?