jakaylagriffin7461 jakaylagriffin7461
  • 25-04-2019
  • Mathematics
contestada

Given the points P(2,-1) and Q(-9,-6), what are the coordinates of the point on directed line segment PQ that partitions PQ in the ratio 3/2?

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kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 05-05-2019

ANSWER

[tex]( - \frac{23}{5} , - 4)[/tex]

EXPLANATION

Given the points P(2,-1) and Q(-9,-6),the coordinates of the point that partition the directed line segment PQ in the ratio 3:2 is given by

[tex]x = \frac{ mx_2+nx_1}{m + n} [/tex]

[tex]y= \frac{ my_2+ny_1}{m + n} [/tex]

Where m=3 and n=2

[tex]x = \frac{ 3 ( - 9)+2(2)}{3+ 2} [/tex]

[tex]x = \frac{ - 23}{5} [/tex]

[tex]y= \frac{ 3( - 6)+2( - 1)}{3 + 2} [/tex]

[tex]y= \frac{ - 20}{5} = - 4[/tex]

The point is

[tex]( - \frac{23}{5} , - 4)[/tex]

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