Which statement is true for the numbers 2.5 and -2.5?

on the horizontal number line, 2.5 and -2.5 are equal and are located on the same point.
on the horizontal number line, -2.5 is located to the left of zero and 2.5 is located to the right of zero.
on the horizontal number line, 2.5 and -2.5 are both located to the right of zero.
on the horizontal number line, 2.5 is located to the left of zero and -2.5 is located to the right of zero.