document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=577784>Question 577784</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the vertex of the parabola<BR>\n" );
document.write( "y=-3(x+1)^2 </SPAN>\n" );
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document.write( "y=-3(x+1)^2<BR>\n" );
document.write( "Standard form of equation for a parabola: y=A(x-h)^2+k, (h,k) being the (x,y) coordinates of the vertex.<BR>\n" );
document.write( "For given equation:<BR>\n" );
document.write( "You do not see a k in the equation, so the y-coordinate of the vertex=0<BR>\n" );
document.write( "The x-coordinat=-1<BR>\n" );
document.write( "Vertex: (-1,0) </SPAN>\n" );
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