Question 12
The point which divides the line segment joining the points (7, –6) and (3, 4) in ratio 1 : 2 internally lies in the
(A) I quadrant (B) II quadrant
(C) III quadrant (D) IV quadrant
Let points be A (7, –6) and B (3, 4)
Let point be P(x, y) divide AB in ratio 1 : 2
Coordinates of P = ((𝑚_1 𝑥_2 + 𝑚_2 𝑥_1)/(𝑚_1 + 𝑚_2 ), (𝑚_1 𝑦_2 + 𝑚_2 𝑦_1)/(𝑚_1 + 𝑚_2 ))
= ((1 × 3 + 2 × 7)/(1 + 2), (1 × 4 + 2 × (−6))/(1 + 2))
= ((3 + 14)/3, (4 − 12)/3)
= (𝟏𝟕/𝟑, (−𝟖)/𝟑)
Since x is positive, y is negative
The point lies in 4th Quadrant
So, the correct answer is (d)
Made by
Davneet Singh
Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.
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