document.write( "Question 830830: Solve Oblique conic : 10x2 +24xy + 17 y2 -9 = 0
\n" ); document.write( "1) Identify the conic. Explain your reasoning.
\n" ); document.write( "2.) Put the equation for the conic in standard form.
\n" ); document.write( "3.) State the Domain and Range of the Conic
\n" ); document.write( "4.) Graph the conic with foci, center, vertices, directrices, and asymptotes as needed for the conic. Be sure to label each element.
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Algebra.Com's Answer #501085 by KMST(5328)\"\" \"About 
You can put this solution on YOUR website!
I tried to do the calculations Edwin was doing, but I kept making calculations/arithmetic mistakes.
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\n" ); document.write( "Here are my calculations (probably with arithmetic mistakes again) about range and domain.
\n" ); document.write( "From \"10x%5E2%2B24xy%2B17y%5E2-9=0\" ,
\n" ); document.write( "given an \"x\" value we can calculate two complex \"y\" values,
\n" ); document.write( "and given a \"y\" value we can calculate two complex \"x\" values
\n" ); document.write( "by solving the equation as a quadratic equation.
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\n" ); document.write( "Solving for \"y\" the equation \"%2817%29y%5E2%2B%2824x%29y%2B%2810x%5E2-9%29=0\" , we find real solutions when
\n" ); document.write( "\"%2824x%29%5E2-4%2817%29%2810x%5E2-9%29%3E=0\"
\n" ); document.write( "\"576x%5E2-68%2810x%5E2-9%29%3E=0\"
\n" ); document.write( "\"576x%5E2-680x%5E2%2B612%3E=0\"
\n" ); document.write( "\"-104x%5E2%2B612%3E=0\"
\n" ); document.write( "\"612%3E=104x%5E2\"
\n" ); document.write( "\"x%5E2%3C=612%2F104\"
\n" ); document.write( "\"highlight%28-sqrt%28612%2F104%29%3C=x%3C=sqrt%28612%2F104%29%29\"
\n" ); document.write( "The approximate values are \"-2.425823%3C=x%3C=2.425823\"
\n" ); document.write( "I believe that is the domain.
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\n" ); document.write( "Solving for \"x\" the equation \"%2810%29x%5E2%2B%2824y%29x%2B%2817y%5E2-9%29=0\" , we find real solutions when
\n" ); document.write( "\"%2824y%29%5E2-4%2810%29%2817y%5E2-9%29%3E=0\"
\n" ); document.write( "\"576y%5E2-40%2817y%5E2-9%29%3E=0\"
\n" ); document.write( "\"576y%5E2-680y%5E2%2B360%3E=0\"
\n" ); document.write( "\"-104y%5E2%2B360%3E=0\"
\n" ); document.write( "\"360%3E=104y%5E2\"
\n" ); document.write( "\"y%5E2%3C=612%2F104\"
\n" ); document.write( "\"highlight%28-sqrt%28360%2F104%29%3C=y%3C=sqrt%28360%2F104%29%29\"
\n" ); document.write( "The approximate values are \"-1.860521%3C=y%3C=1.860521\"
\n" ); document.write( "I believe that is the range.
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