The point dividing the line segment from $A(1, -3)$ to $B(-3, 9)$ internally in ratio $1 : 3$ is:
A$(0, 0)$
B$(-1, 3)$
C$(2, 6)$
D$(-2, 6)$
Answer & Solution
Correct answer: A. $(0, 0)$
$x = \dfrac{1(-3) + 3(1)}{1 + 3} = 0$. $y = \dfrac{1(9) + 3(-3)}{4} = 0$. Point: $(0, 0)$.
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