Question

The points (3,9) and (-3,-9) lie in which quadrants?

A Quadrant I and II
B Quadrant I and II
C Quadrant II and III
D Quadrant III and IV

Answer 1

should be quadrant I and III

Explanation:

Quadrant I is positive/positive

move counterclockwise

Quadrant III is negative/negative

Answer 2

Quadrant I and III

Explanation:

The coordinate (3,9) is all positive, therefore it lies in quadrant I.

The coordinate (-3,-9) is all negative, therefore it lies in quadrant III.