document.write( "Question 259772: Find the value of k for which the equation 3x2 − kx + 7 = 0 will have two real solutions. \n" ); document.write( "

Algebra.Com's Answer #191235 by Fombitz(32388) $\"\"$ $\"About$

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Look at the discriminant.
\n" ); document.write( "For real roots, D>0.
\n" ); document.write( " $\"D=b%5E2-4ac\"$
\n" ); document.write( " $\"k%5E2-4%283%29%287%29%3E0\"$
\n" ); document.write( " $\"k%5E2%3E84\"$
\n" ); document.write( " $\"k%3Esqrt%2884%29\"$ or $\"k%3C-sqrt%2884%29\"$ \n" ); document.write( "

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