Question 200611: Find the slope of the line passing through the pair of points (1/5,1) and 1/5,4)? My answer was undefined...
Found 2 solutions by RAY100, solver91311:
Answer by RAY100(1637)   (Show Source):
You can put this solution on YOUR website! Your answer was right.
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a rough sketch show it best. A VERTICAL LINE at x= (1/5),,,,undefined
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The formula also works, but is not a reassuring,,,m = (y2-y1) / (x2-x1) = 3/0 ,,,undefined
Answer by solver91311(24713)  (Show Source):
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