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sashaice [31]
3 years ago
8

Find the coordinates of the other endpoint of the segment, given its midpoint and one endpoint. (Hint: Let (XY) be the unknown e

ndpoint. Apply the midpoint formula, and solve the two equations for x and y)
midpoint (5. - 12), endpoint (4-7)
The other endpoint is
(Type an ordered pair)

Mathematics
1 answer:
Tresset [83]3 years ago
3 0

Answer:

(6, -17)

Step-by-step explanation:

Given the coordinate of a midpoint, (5, -12), and one endpoint, (4, -7), the other endpoint can be determined as follows:

The midpoint formula is given as M(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2}).

Since we are given ordered pairs of the midpoint and one endpoint, we would find the other ordered pair of the endpoint as shown below.

Let the other endpoint be (x_1, y_1)

Midpoint = M(5, -12)

Let the given endpoint = (4, -7) = (x_2, y_2)

Thus:

M(5, -12) = (\frac{x_1 + 4}{2}, \frac{y_1 +(-7)}{2})

Rewrite the equation to find the coordinates of the other endpoints

5 = \frac{x_1 + 4}{2} and -12 = \frac{y_1 - 7}{2}

Solve for each:

5 = \frac{x_1 + 4}{2}

5*2 = \frac{x_1 + 4}{2}*2

10 = x_1 + 4

10 - 4 = x_1 + 4 - 4

6 = x_1

x_1 = 6

-12 = \frac{y_1 - 7}{2}

-12*2 = \frac{y_1 - 7}{2}*2

-24 = y_1 - 7

-24 + 7 = y_1 - 7 + 7

-17 = y_1

y_1 = -17

Ordered pair of the other endpoint is (6, -17)

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