document.write( "Question 1143372: One root of $\"+x%5E2-3x%2Bk-2=0+\"$ is -4. Find the value of k.\r
\n" ); document.write( "\n" ); document.write( "Here is what I tried at the start:
\n" ); document.write( " $\"+-4=-3%2B-+sqrt%289-4%28k-2%29%29%2F2+\"$ \r
\n" ); document.write( "\n" ); document.write( "But I am stuck from there on. Thank you for your help! \n" ); document.write( "

Algebra.Com's Answer #764209 by ikleyn(52864) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "The EASIEST way to solve it is to substitute x= -4 into the equation and use the fact that \"-4\" is the root:\r\n" );
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document.write( "4^2 - 3*(-4) + k - 2 = 0\r\n" );
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document.write( "16 + 12 + k - 2 = 0\r\n" );
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document.write( "k + 26 = 0\r\n" );
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document.write( "k = -26.      ANSWER\r\n" );
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