document.write( "Question 173937: The instructions say \"write each equation of each ellipse in standard for with center form with center at the origin and witH the given characteristics.\" The problem is height 8; width 18 \n" ); document.write( "
Algebra.Com's Answer #128917 by Edwin McCravy(20059)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "You're talking about this ellipse:\r\n" );
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document.write( "The equation of an ellipse with center at the origin is:\r\n" );
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document.write( "Half the width is \"1%2F2\" of \"18\" or \"9\".\r\n" );
document.write( "Half the height is \"1%2F2\" of \"8\" or \"4\".\r\n" );
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document.write( "Therefore the equation is\r\n" );
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document.write( "\"matrix%281%2C5%2C+x%5E2%2F%289%29%5E2%2C+%22%2B%22%2C+y%5E2%2F%284%29%5E2%2C+%22=%22%2C1%29\"\r\n" );
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document.write( "\"matrix%281%2C5%2C+x%5E2%2F81%2C+%22%2B%22%2C+y%5E2%2F16%2C+%22=%22%2C1%29\"\r\n" );
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document.write( "Edwin
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