\n" );
document.write( "Hi, \n" );
document.write( "the vertex form of a Parabola opening up(a>0) or down(a<0): \n" );
document.write( "where(h,k) is the vertex and x = h is the Line of Symmetry \n" );
document.write( "The standard form is \n" );
document.write( "f(x)=3x^2-6x +1 = \n" );
document.write( " (x-1)^2 = (1/3)(y+2)