If (2,1) is the midpoint of the line segment ST and the coordinates of S are (5,4), find the coordinates of T.

Step-by-step explanation:

The formula to find the midpoint of a segment is

and we have the midpoint and we also have a coordinate of (5, 4). Let's let x₁ = 5 and y₁ = 4. Filling in what we have:

and we'll deal with the x terms first. The x coordinate of the midpoint is 2, so:

and multiply both sides by 2 to get rid of the denominator to get:

4 = 5 + x₂ so

x₂ = -1. Going on to the y coordinate. The y coordinate of the midpoint is 1, so:

and again multiply both sides by 2 to get rid of the denominator to get:

2 = 4 + y₂ so

y₂ = -2

The coordinates of T are (-1, -2)

answer

false

explanation

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mathpapa

step-by-step explanation: