SOLUTION: consider the line 3x-9y=-7 What is the slope of a line perpendicular to this line? What is the slope of a line parallel to this line?

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Question 1086074: consider the line 3x-9y=-7 What is the slope of a line perpendicular to this line? What is the slope of a line parallel to this line?
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!




-> the slope of this line is
the slope of a line perpendicular to this line will be negative reciprocal:


and the slope of a line parallel to this line will be same:


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