
PreCalculus PreCalculus Math Forum 
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August 24th, 2016, 04:59 AM  #1 
Member Joined: Aug 2016 From: South Korea Posts: 55 Thanks: 0  Conic Section Parabola Standard Form
Can someone check my work? Untitled.png If I did wrong please explain to me how to do it right? I only googled how to do it and that's how I've come up with that answers, based on this.. fxhg.png 
August 24th, 2016, 01:37 PM  #2 
Senior Member Joined: May 2016 From: USA Posts: 1,310 Thanks: 551 
Looks good. Some questions. You do realize that if the line joining the vertex and the focus is not parallel to either the xaxis or the yaxis, the formulas you are relying on will not work. I got a little jumpy when you said "regular" parabola. Are you allowed to leave your answer in that form, or do they want y = something? 
August 25th, 2016, 12:56 PM  #3 
Member Joined: Aug 2016 From: South Korea Posts: 55 Thanks: 0 
I don't know. It actually didn't say anything but find it's standard form. I changed again my answers into this.. ...but still not sure about it. 

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conic, form, parabola, section, standard 
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