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Find the ratio in which the points (x, -1) divides the line segment joining the points (-3, 5)

and (2, -5). Also find the value of x.

User DylanSp
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1 Answer

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Final answer:

To find the ratio in which the points (x, -1) divide the line segment joining the points (-3, 5) and (2, -5), we can use the distance formula and section formula.

Step-by-step explanation:

To find the ratio in which the points (x, -1) divide the line segment joining the points (-3, 5) and (2, -5), we first find the distance between the points (-3, 5) and (2, -5). Using the distance formula, we have:

d = sqrt((2 - (-3))^2 + (-5 - 5)^2) = sqrt(25 + 100) = sqrt(125) = 5sqrt(5)

Now, let the ratio be k:1. Using the section formula, we can find the x-coordinate of the point (x, -1) using:

x = (k * 2 + 1 * (-3)) / (k + 1) = (2k - 3) / (k + 1)

Setting the distance ratio equal to the coordinate ratio, we have:

5sqrt(5) / k = sqrt((x - (-3))^2 + (-1 - 5)^2) / (2k - 3) = sqrt((x + 3)^2 + 36) / (2k - 3)

Squaring both sides and solving for x, we get:

x^2 + 6x + 9 + 36 = 125(k^2 - 1) => x^2 + 6x - 89k^2 + 136 = 0

We can solve this quadratic equation to find the value of x.

User Cardflopper
by
8.3k points

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