In what ratio does the y-axis divide the join of P(-4, 2) and Q(8, 3)?

Question

Philoid · Accepted Answer

⇒ Let the ratio be k:1.

⇒ Then by section formula the coordinates of point which divide the line AB is given as

⇒ Since the point lies on y-axis its x-coordinate is zero.

⇒ = 0

⇒ 8k = 4

⇒ k = 1/2

Therefore the ratio in which x-axis divide the line AB is 1:2.