Which statement is true of points on a coordinate grid? A.
A negative y-axis coordinate indicates a point in quadrant I or quadrant IV.

B.
A coordinate pair in which both numbers are negative represents a point in quadrant II.

C.
Changing signs on the x-coordinate of a point moves it to the quadrant across the x-axis.

D.
The signs on each number of the coordinate pair determine which quadrant contains that point, even if the values of the numbers are not known.