Points (1, –1), (2, –2), (–3, –4), (4, –5)
Question:

Points (1, –1), (2, –2), (–3, –4), (4, –5)
(a) all lie in the II quadrant
(b) all lie in the III quadrant
(c) all lie in the IV quadrant
(d) do not lie in the same quadrant

Solution:

The point (1, –1) lies in the IV quadrant.
The point (2, –2) lies in the IV quadrant.
The point (–3, –4) lies in the III quadrant.
The point (4, –5) lies in the IV quadrant.

Hence, the correct option is (d).

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