document.write( "Question 1036665: What are the zeros of y=-4x^2-5 \n" ); document.write( "
Algebra.Com's Answer #651410 by ikleyn(52778)\"\" \"About 
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document.write( "The zeros of y=-4x^2-5 are the roots of the quadratic equation\r\n" );
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document.write( "\"-4x%5E2-5\" = \"0\".\r\n" );
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document.write( "They are the same as the roots of this quadratic equation\r\n" );
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document.write( "\"4x%5E2+%2B5\" = \"0\",   or  this  \"x%5E2\" = \"-5%2F4\".\r\n" );
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document.write( "These equations have no real roots. \r\n" );
document.write( "They have complex roots. They are\r\n" );
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document.write( "\"x%5B1%5D\" = \"i%2A%28sqrt%285%29%2F2%29\"  and   \"x%5B1%5D\" = \"-i%2A%28sqrt%285%29%2F2%29\".\r\n" );
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document.write( "Here  \"i\"  is an \"imaginary\" unit  i = \"sqrt%28-1%29\".\r\n" );
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