How do you find the slope for $x = -2$ ?

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How do you find the slope for $x = -2$ ?

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Answer 1 · 2015-05-19T13:39:43

The slope of a vertical line (i.e. $x = a$ ) is undefined (or you could say it is $oo$ ).

In opposition, the slope of an horizontal line (i.e. $y = a$ ) is $0$ since the standard form of a linear function is $y=mx+a$ , where $m$ is the slope.

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How do you find the slope for $x = -2$ ?

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How do you find the slope for $x = -2$ ?