Remember, the formula of a square is [tex]s^{2}[/tex]. If I half x, [tex](x/2)^{2}[/tex] is the new formula. Because the exponent is around the varialbe(x/2), both are squares. Therefore, the formula is [tex]x^{2} \divide 4[/tex].
Therefore, the new area is B: a quarter of the original.