Arrange the parabolas represented by the equations in order of the positions of their directives on the coordinate plane, starting with the
lowest and ending with the highest
y=x^2/8+ 3x/4+41/8
y=x^2/20+2x/5+29/5
y=-x^2/52-4x/13-146/13
y = -x^2/16+3x/4-21/4
y=-x^2/8-x/2-1/2
y=-x^2/32-x/16-289/32
y=-x^2/12-7x/2-109/12 y=x^2/28-5x/14+333/28