document.write( "Question 1120388: what type of conic is this equation x^2-2y^2+2x+8y-7=0? how can we get the center, the a and the b? \n" ); document.write( "

Algebra.Com's Answer #736064 by solver91311(24713) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "There is an

term and a

term. Eliminate Parabola.\r
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\n" ); document.write( "\n" ); document.write( "The coefficients on

and

are different. Eliminate a circle.\r
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\n" ); document.write( "\n" ); document.write( "The signs on the

and

terms are opposite. Eliminate an ellipse.\r
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\n" ); document.write( "\n" ); document.write( "Therefore, it must be a hyperbola.\r
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\n" ); document.write( "\n" ); document.write( "Complete the square:\r
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\n" ); document.write( "\n" ); document.write( "No conic exists. The graph is two straight lines.
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\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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