Problem 51 of 7
Find the slope of a line perpendicular to line through (1,2) and (5,10).
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compute negative reciprocal.
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Given line must have a determinate slope, including horizontal or vertical cases.
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Solution
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1. Find the slope of the given line.
2. If it is nonzero and defined, take the negative reciprocal.
3. Handle horizontal and vertical lines as perpendicular to each other.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Reciprocal with wrong sign.