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

1 Answer

Jul 2, 2015

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

Explanation:

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

If #d != 0# then slope #m# is defined by the formula:

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

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