document.write( "Question 304980: Find the values of K such that the equation 3x^2 + 10x + K =0 has imaginary roots.\r
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Algebra.Com's Answer #218409 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "You said you thought the answer is .  NO!  There are infinitely\r\n" );
document.write( "many answers, not just one.  Notice the word \"valueS\", with an \"S\", \r\n" );
document.write( "not \"value\". So your answer must be incorrect.  You must\r\n" );
document.write( "answer with an inequality or with a set in interval notation. \r\n" );
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document.write( "For the roots to be imaginary this must be negative, which\r\n" );
document.write( "is the same as less than zero, so we set  less\r\n" );
document.write( "than zero.\r\n" );
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document.write( " [Note that the inequality reversed because we divided by a negative number] \r\n" );
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document.write( "The answer is the set of real numbers GREATER THAN .\r\n" );
document.write( "So  is not even an answer at all, since  is\r\n" );
document.write( "not greater than itself!!!!\r\n" );
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document.write( "The answer is that K is in the interval   \r\n" );
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document.write( "Edwin

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