Math  /  Geometry

QuestionFind the midpoint of the line segment joining the points P1\mathrm{P}_{1} and P2\mathrm{P}_{2}. P1=(3,3);P2=(5,3)P_{1}=(3,-3) ; P_{2}=(5,3)
The midpoint of the line segment joining the points P1P_{1} and P2P_{2} is \square . (Simplify your answer. Type an ordered pair.)

Studdy Solution

STEP 1

What is this asking? Find the middle point between two given points on a graph! Watch out! Don't mix up the xx and yy coordinates!
Also, remember the midpoint formula is about *averages*!

STEP 2

1. Find the xx-coordinate of the midpoint.
2. Find the yy-coordinate of the midpoint.
3. Combine the coordinates.

STEP 3

The xx-coordinate of the midpoint is the average of the xx-coordinates of the two endpoints.
Think of it like this: if you're meeting a friend halfway between your houses, you both travel the same distance.
Finding the average xx-coordinate is like finding that halfway point!

STEP 4

Our two xx-coordinates are x1=3x_1 = 3 and x2=5x_2 = 5.
Let's **add** them together and **divide** by 2\textbf{2} to find the average: x1+x22=3+52=82=4 \frac{x_1 + x_2}{2} = \frac{3 + 5}{2} = \frac{8}{2} = \textbf{4} So, the xx-coordinate of our midpoint is **4**!

STEP 5

Just like with the xx-coordinate, the yy-coordinate of the midpoint is the average of the yy-coordinates of the two endpoints.

STEP 6

Our two yy-coordinates are y1=3y_1 = -3 and y2=3y_2 = 3.
Let's **add** them together and **divide** by 2\textbf{2} to find the average: y1+y22=3+32=02=0 \frac{y_1 + y_2}{2} = \frac{-3 + 3}{2} = \frac{0}{2} = \textbf{0} The yy-coordinate of our midpoint is **0**!

STEP 7

Now, let's put the xx and yy coordinates together to get our midpoint!
We found that the xx-coordinate is **4** and the yy-coordinate is **0**.

STEP 8

The midpoint is written as an ordered pair (x,y)(x, y), so our midpoint is (4, 0)\textbf{(4, 0)}!
Boom!

STEP 9

The midpoint of the line segment joining the points (3,3)(3, -3) and (5,3)(5, 3) is (4,0)(4, 0).

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