document.write( "Question 302493: What is the vertex of y=-2x^2-4x+6 \n" ); document.write( "
Algebra.Com's Answer #216887 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
-b/2a
\n" ); document.write( "-(-4)/2*(-2)=-1
\n" ); document.write( "y=-2*(-1)^2-4*(-1)+6
\n" ); document.write( "y=-2+4+6=8
\n" ); document.write( "(-1,8)
\n" ); document.write( "
\n" );