Question

Point P(x,4) lies on the ine segment joining the point. A(-5,8) and B(4.-10). Find the ratio in which
the point P divides the line segment AB. Also find the value of x.​

Answer 1

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Answer 2

Answer:

Let the point P(x,4) divide the line segment joining the points A(-5,8) and B(4,-10) in the ratio k:1.

So, by applying Section formula,

(4k-5/k+1, -10k+8/k+1) = (x,4)

By comparing the corresponding coordinates,

-10k+8/k+1=4

⇒4k+4=-10k+8

⇒14k=4  ⇒ k=2/7

Also, 4k-5/k+1 = x → (1)

Substituting k=2/7 in Eq. (1),

x=8/7-5/2/7+1 ⇒ x=-3

Hence, the required ratio is 2:7

The value of x is -3.