ashleyannfernandez ashleyannfernandez
  • 27-04-2018
  • Mathematics
contestada

Point J (-2,1) and point K (4,5) form line segment JK. For the point P that partitions JK in the ration 3:7, what is the y- coordinate of P?

Respuesta :

tomrocks2004
tomrocks2004 tomrocks2004
  • 27-04-2018
y = 2.4 and the x = -0.3
Answer Link
jbiain jbiain
  • 18-10-2019

Answer:

2.2

Step-by-step explanation:

If  point P (Xp, Yp) divides a line segment from J (Xj, Yj) to K (Xk, Yk) in the ratio a:b, then the y-coordinate of P is

Yp = Yj + a/(a+b) * (Yk - Yj)

Here Yj = 1, Yk = 5, a = 3 and b = 7. Replacing

Yp = 1 + 3/(3+7) * (5 - 1)

Yp = 2.2

Answer Link

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