SOLUTION: how do i find the slope for (9,4) and (-11,4) using the the slope formula

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Question 284486: how do i find the slope for (9,4) and (-11,4) using the the slope formula
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Slope, m = diffy/diffx
The difference in y is zero, so the slope is zero (0).