August 19th, 2010, 01:58 AM  #1 
Member Joined: Aug 2010 Posts: 35 Thanks: 0  hyperbola
hi guys, I can't work out this question, could you please help with answer and explain? for what values of c is the (x,y) solution set of 2x^2 + cy^2 1 = 0. thank you. 
August 19th, 2010, 02:33 AM  #2  
Member Joined: Jun 2010 Posts: 36 Thanks: 0  Re: hyperbola Quote:
 
August 19th, 2010, 02:37 AM  #3 
Member Joined: Aug 2010 Posts: 35 Thanks: 0  Re: hyperbola
sorry, for what values of c is the (x,y) solution set of 2x^2 + cy^2 1 = 0 an hyperbola. 
August 19th, 2010, 05:44 AM  #4 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 520 Math Focus: Calculus/ODEs  Re: hyperbola
What is the standard form for the equation of a hyperbola?

August 20th, 2010, 01:28 AM  #5 
Member Joined: Aug 2010 Posts: 35 Thanks: 0  Re: hyperbola
x^2/a^2  y^2/b^2 = 1. I spent hours trying, I'm not able to solve it. 
August 20th, 2010, 01:38 AM  #6 
Senior Member Joined: Aug 2010 Posts: 109 Thanks: 0  Re: hyperbola
Equation is not given to the hyperbola, but the ellipse

August 20th, 2010, 01:43 AM  #7 
Senior Member Joined: Aug 2010 Posts: 109 Thanks: 0  Re: hyperbola A = b = 2 because the ellipsebased and c = 2 
August 20th, 2010, 01:50 AM  #8  
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,930 Thanks: 1124 Math Focus: Elementary mathematics and beyond  Re: hyperbola Quote:
Conic sections  

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