Question

find the ratio in which the line segment joining the points A(3,8) and B (-9,3) is divided by the y- axis.​

Answer 1

Answer:

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Step-by-step explanation:

Let C be a point on Y-axis which divides seg AB in the ratio m : n.

Point C lies on the Y-axis

∴ its x co-ordinate is 0.

Let C = (0, y)

Here A (x1,y1) = A(3, 8) B (x2 , y2 ) = B (-9, 3)

∴ By section formula,

See image

Y-axis divides the seg AB in the ratio 1:3.