IXL - Midpoint formula: find the midpoint (Algebra 1 practice)

UV has endpoints at U(6, 9) and V(2, 5). Find the midpoint M of UV.

Write the coordinates as decimals or integers.

M = (, )

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question

R(4, 7) and S(2, 3) are the endpoints of a line segment. What is the midpoint M of that line segment?

Write the coordinates as decimals or integers.

M = (, )

key idea

The midpoint formula is

x1 + x2

y1 + y2

where M is the midpoint of a line segment with endpoints at (x1, y1) and (x2, y2).

solution

Use the midpoint formula to find the midpoint M. Plug in R(4, 7) for (x1, y1) and S(2, 3) for (x2, y2).

x1 + x2

y1 + y2

Plug in (4, 7) and (2, 3)

4 + 2

7 + 3

Plug in (4, 7) and (2, 3)

Add

Simplify

(3, 5)

Simplify

RS has its midpoint M at (3, 5).

Looking for more? Try these:

Lesson: Midpoint formula

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Not feeling ready yet? These can help:

O.1Coordinate plane review

B.24Add, subtract, multiply, and divide integers

Lesson: Midpoint formula

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