A segment with endpoints A (3, 4) and C (5, 11) is partitioned by a point B such that AB and BC form a 2:3 ratio. Find B.


(3. 8, 6. 8)

(3. 9, 4. 8)

(4. 2, 5. 6)

(4. 3, 5. 9)

Respuesta :

ANSWER: 3.8  6.8

explanation:11-4 = 7

2/5 of 7 = 14/5

14/5 + 4 = 34/4 = 6.8

y coordinate is 6.8

5-3 = 2

2/5 of 2 = 4/5

4/5 +3 = 19/5 = 3.8

x coordinate is 3.8

A is the correct answer (3.8, 6.8)

BUT  " 2:3" ratio is slightly ambiguous it could also mean

3/5 x 7 = 21/5 = 4.25

4.25 + 4 = 8.25

3/5 x 2 = 6/5

6/5 + 3 = 21/5 = 4.25 since that's not one of the possible given answers, ignore it

The coordinate of B is (3.8, 6.8), the correct option is A.

What is a Line Segment?

A line segment is a line with fixed length.

A line segment with endpoints A (3, 4) and C (5, 11) is partitioned by a point B

AB and BC form a 2:3 ratio

The coordinates of the partition point B is given by

[tex]\rm (\dfrac{bx_1 +ax_2}{a+b} , \dfrac{by_1+ay_2}{a+b})[/tex]

Here a =2, b = 3

[tex]\rm (\dfrac{3*3 +2 * 5}{5} , \dfrac{3 * 4+ 2 * 11}{5})[/tex]

(3.8, 6.8)

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