Question

Asked Apr 22, 2019

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What is the slope of a horizontal line?

Step 1

The slope *m* of the line containing the points (*x*_{1},*y _{1}*) and (

That is,

Step 2

For a horizontal line, the *y* coordinate is the same and the *x* coordinate varies.

That is,

Step 3

Thus, the equation of th...

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