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What is the slope of a line that is perpendicular to the line represented by the equation x-y=8
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What is the slope of a line that is perpendicular to the line represented by the equation x-y=8

User Bogdan Vakulenko
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1 Answer

4 votes
The equation is x - y = 8

Rewrite it into the format y = mx + b
⇒ x - y = 8
⇒ y = x - 8

Compare y = x - 8 with y = mx + b
⇒ m = 1, therefore slope = 1

Slope of the perpendicular line = -1 (negative reciprocal )

Answer: -1
User Lex Li
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5.9k points
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