Maths
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GCSE
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Plot and Interpret Graphs
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How do you...
3 years ago
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1 Reply
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1784 views
Jorge Ledner
1 Answer
Experienced Maths tutor, infectiously enthusiastic
First find the equation of one line using the information you have.
If your first line has equation y = mx + c then a line that is perpendicular will have a gradient equal to -1/m
You can find the intercept of the second line by plugging in any known value on that line.
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