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The slope of a line passing through the points (-1, 5) and (3, 5) is?

A) no slope
B) 0
C) 5/4
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1 Answer

Hi Lindsey;
(-1, 5) and (3, 5)
Slope is the change-of-y divided by change-of-x...
Either point can be denoted as 1.
The change of y is zero.  It is a straight, horizontal line.
Answer B
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.