baylorfreeman baylorfreeman
  • 18-02-2022
  • Mathematics
contestada

What are the coordinates of the point on the directed line segment from (1,-5) to
(10, 1) that partitions the segment into a ratio of 1 to 5?

Respuesta :

zsm2800 zsm2800
  • 22-02-2022

Answer:

Q (2.5, -4)

Step-by-step explanation:

Let A (1, -5), C = (10, 1), find Q (x, y), so that AQ:QC = 1:5

AQ = (x - 1, y + 5)

QC = (10 - x, 1 - y)

AQ:QC = 1:5

so 5*AQ = QC

5(x - 1) = (10 - x)

5(y + 5) = 1 - y

Solve them:

5x - 5 = 10 - x

6x = 15

x = 15/6 = 2.5

5y + 25 = 1 - y

6y = -24

y = -24/6 = -4

Then answer is Q (2.5, -4)

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