(13 , 6)
(-13, 6)
(13 , -6)
(-13, -6)

Step-by-step explanation:
a. (13, 6) = (1, 2)
b. (-13, 6) = (2, 2)
c. (13, -6) = (1, 3)
d.(-13, -6) = (2, 3)
Answer:
(13 , 6) in 1st Quadrant
(-13, 6) in 2nd Quadrant
(13 , -6) in 4th Quadrant
(-13, -6) in 3rd Quadrant
-TheUnknownScientist