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  • Points (1, – 1), (2, – 2), (4, –5), (– 3, – 4) (A) lie in II quadrant (B) lie in III quadrant (C) lie in IV quadrant (D) do not lie in the same quadrant

Points (1,-1),(2,-2),(4,-5),(-3,-4)

(A) lie in II quadrant
(B) lie in III quadrant
(C) lie in IV quadrant
(D) do not lie in the same quadrant

Answers (1)

best_answer

Answer: [D]  do not lie in the same quadrant

Solution.

We know that coordinates of a point are of the form (+, +) in the first quadrant 
(–, +) in the second quadrant 
(–,–) in the third quadrant and 
(+, –) in the fourth quadrant. 
Where + denotes positive real number and - denotes the negative real number.
So, points (1, -1), (2, -2) and (4, -5) all lie in the IV quadrant but (-3, -4) lies in IIIrd quadrant.
So we can say that the given points do not lie in the same quadrant. 
Therefore option (D) is correct

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