Asked by anna

Find all values of 'a' such that y=a/(x−9) and y=x^2−18x+81 intersect at right angles.
show steps please :)

13 years ago

Answered by Reiny

I did this one on Wednesday

http://www.jiskha.com/display.cgi?id=1319657997

13 years ago

Answered by anna

thanks!

13 years ago

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