document.write( "Question 451555: How do i solve \"If f(2)=0 and f(x)=3x^2+kx-4,find k\" i need help solving this step by step. \n" ); document.write( "
Algebra.Com's Answer #310492 by robertb(5830)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "\n" ); document.write( "==> \n" ); document.write( "\n" ); document.write( "==> 2k + 8 = 0\r \n" ); document.write( "\n" ); document.write( "==> 2k = -8\r \n" ); document.write( "\n" ); document.write( "==> k = -4. \n" ); document.write( " |