FlashFlashRevolution [Precalc Algebra] Systems of Nonlinear Equations
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 05-6-2012, 10:08 PM #1 AnUnknownDrummer would rather go by AUD.     FFR Veteran Join Date: Sep 2005 Location: Nowhere Posts: 265 [Precalc Algebra] Systems of Nonlinear Equations Somewhere in my math I keep butchering this problem, I know it's really easy but my numbers aren't matching up. 1. y = 8 - x 2. y = sqrt(36 - x^2) I need to graph by hand (which I did using a T-chart) and then solve for intersections algebraically. I figured I could use the substitution method with #1: y = 8 - x y + x = 8 x = 8 + y and substitute that value into #2: y = sqrt(36 - [8 + y]^2) after this my numbers don't add up. My math could be wrong before or after this point and I have no idea... Help?
 05-6-2012, 10:11 PM #2 dag12 FFR Simfile Author FFR Simfile Author     FFR Veteran Join Date: Dec 2004 Posts: 468 Re: [Precalc Algebra] Systems of Nonlinear Equations silly you, y+x=8 is x=8-y :P
 05-6-2012, 10:13 PM #3 AnUnknownDrummer would rather go by AUD.     FFR Veteran Join Date: Sep 2005 Location: Nowhere Posts: 265 Re: [Precalc Algebra] Systems of Nonlinear Equations I hate my life... oh so much. HAHAHAHA Thank you!

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