A) no slope

B) 0

C) 5/4

A) no slope

B) 0

C) 5/4

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Middletown, CT

Hi Lindsey;

(-1, 5) and (3, 5)

Slope is the change-of-y divided by change-of-x...

m=(y-y_{1})/(x-x_{1})

Either point can be denoted as _{1}.

m=(5-5)/(-1-3)

m=0/-4

The change of y is zero. It is a straight, horizontal line.

If the change of x is zero, it would be a straight, vertical line with an undefined slope because zero cannot be a denominator/divisor.

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