March 10th, 2018, 02:39 AM  #1 
Senior Member Joined: Nov 2010 From: Indonesia Posts: 2,000 Thanks: 132 Math Focus: Trigonometry  [ASK] Reflected Parabola
Determine the reflection of a parabola $\displaystyle y^22y4x11=0$ by the line y = x. I know how to do it graphically, but please tell me how to do it algebraically. 
March 10th, 2018, 08:23 AM  #2 
Member Joined: Jan 2016 From: Athens, OH Posts: 89 Thanks: 47 
You need to know a couple facts. If you need help proving these, just post again. 
March 10th, 2018, 02:59 PM  #3 
Senior Member Joined: Nov 2010 From: Indonesia Posts: 2,000 Thanks: 132 Math Focus: Trigonometry 
Thank you for your help.


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parabola, reflected 
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