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zalisa [80]
3 years ago
14

What are the coordinates of the point 3/4 of the way from X(1, -6) to Y(9, 10)?

Mathematics
1 answer:
qwelly [4]3 years ago
7 0

Answer:

P(x,y) = (7,6)

Step-by-step explanation:

Given

X = (1,-6)

Y = (9,10)

Point = \frac{3}{4}

Required

Determine the coordinate of the point;

First, we need to determine the ratio of the point between X and Y

Represent the point with P

If the distance between point X and point P is \frac{3}{4},

The distance between point P and point Y will be 1 - \frac{3}{4} = \frac{1}{4}

Ratio = XP : PY

Ratio = \frac{3}{4} : \frac{1}{4}

Multiply through by 4

Ratio = 3: 1

Now, the coordinate of P can be calculated using

P(x,y) = (\frac{mx_2 + nx_1}{n+m},\frac{my_2 + ny_1}{n+m})

<em>Where</em>

m:n = 3:1

(x_1,y_1) = (1,-6)

(x_2,y_2) = (9,10)

Substitute these values in the formula above

P(x,y) = (\frac{3 * 9 + 1 * 1}{3+1},\frac{3 * 10 + 1 * -6}{3+1})

P(x,y) = (\frac{27 + 1}{4},\frac{30 -6}{4})

P(x,y) = (\frac{28}{4},\frac{24}{4})

P(x,y) = (7,6)

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