Question

Choose all the quadrants where the x- and y-coordinates of a point have the same signs.

A. I
B. II
C. III
D. IV

Answer 1

I think the correct answers from the choices listed above are options A and C. The quadrants where the x- and y-coordinates of a point have the same signs are quadrants I and III. The former has positive sign while the latter have the negative sign for both points, x and y.