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26-02-2019
Mathematics

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What is the slope of a line perpendicular to the line whose equation is x + 3 y = − 3 . Fully reduce your answer.

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26-02-2019

X+3y=-3
3y=-x-3
y=-1/3x-1
So the slope of this line is -1/3.
Therefore, the slope of a perpendicular line is the negative reciprocal so it would be 3.

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