document.write( "Question 390065: How do you.. Find the value of \"K\" with the the roots being 3x^2+kx+2=1 be real? \n" ); document.write( "
Algebra.Com's Answer #276528 by richard1234(7193)\"\" \"About 
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The discriminant of the function (i.e. \"b%5E2+-+4ac\") must be nonnegative. Substituting a = 3, b = k, c = 2 in:\r
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\n" ); document.write( "\n" ); document.write( "\"k%5E2+-+4%283%29%282%29+%3E=+0\"\r
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\n" ); document.write( "\n" ); document.write( "\"k%5E2+%3E=+24\"\r
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\n" ); document.write( "\n" ); document.write( "\"k+%3E=+2sqrt%286%29\" or \"k+%3C=+2sqrt%286%29\" (k can take on any of these values)\r
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