Respuesta :

( 1 ,2)  is in first quadrant

(-1,2) is in second
(-1,-2) is in the third
( 1, -2) is in 4th quadrant
Quadrant 1 would be (+ , +).
Quadrant 2 would be (- , +).
Quadrant 3 would be (- , -).
Quadrant 4 would be (+ , -).

Examples could include (4 , 9) for Q1, (-3 , 6) for Q2, (-1 , -5) for Q3, and (8, -2) for Q4.