document.write( "Question 174636: Find K so that the equation 2X^2+KX+8=0 has no real number root. \n" ); document.write( "

Algebra.Com's Answer #129662 by Mathtut(3670) $\"\"$ $\"About$

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discriminant $\"b%5E2-4ac\"$ has to be less than zero in order to have no real roots $\"aX%5E2%2BbX%2BC=0\"$
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\n" ); document.write( " $\"K%5E2-4%282%29%288%29%3C0\"$
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\n" ); document.write( " $\"K%5E2%3C64\"$
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\n" ); document.write( " $\"highlight%28-8%3CK%3C8%29\"$ \n" ); document.write( "

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