My Math Forum [ASK] Reflected Parabola

 Geometry Geometry Math Forum

 March 10th, 2018, 03:39 AM #1 Senior Member     Joined: Nov 2010 From: Indonesia Posts: 2,001 Thanks: 132 Math Focus: Trigonometry [ASK] Reflected Parabola Determine the reflection of a parabola $\displaystyle y^2-2y-4x-11=0$ by the line y = -x. I know how to do it graphically, but please tell me how to do it algebraically.
 March 10th, 2018, 09:23 AM #2 Member   Joined: Jan 2016 From: Athens, OH Posts: 92 Thanks: 47 You need to know a couple facts. If you need help proving these, just post again. Thanks from Monox D. I-Fly
 March 10th, 2018, 03:59 PM #3 Senior Member     Joined: Nov 2010 From: Indonesia Posts: 2,001 Thanks: 132 Math Focus: Trigonometry Thank you for your help.

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