How do you determine the missing coordinate A (0, d), B(d, 0) if slope is undefined?

1 Answer
George C.
Jul 2, 2015

d=0d=0 results in undefined slope. If d != 0d≠0 then slope is defined and is -1−1

Explanation:

If d=0d=0 then both points are (0,0)(0,0) so the slope is indeterminate, so undefined.

If d != 0d≠0 then slope mm is defined by the formula:

m = (Delta y)/(Delta x) = (0-d)/(d-0) = -1

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