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what is perpendicular to y=1x

 Dec 10, 2014

Best Answer 

 #2
avatar+114436 
+8

Nice answer, flflvm97

However....y = x is it's own inverse......since the inverse function reverses the original coordinates, all the points  on the "inverse" lie on the original function, itself.....

 

 Dec 10, 2014
 #1
avatar+270 
+5

y=x

The gradient for equation perpendicular to another is always $$-\frac{1}{m}$$

m being the gradient of original function.

 

gradient of y=x is 1

Therefore, $$-\frac{1}{1}$$=-1

 

So it's y=-x which is inverse to the original function.

 Dec 10, 2014
 #2
avatar+114436 
+8
Best Answer

Nice answer, flflvm97

However....y = x is it's own inverse......since the inverse function reverses the original coordinates, all the points  on the "inverse" lie on the original function, itself.....

 

CPhill Dec 10, 2014

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