Precalculus Examples

(1, 2)

$(1, 2)$ ,

(3, 9)

$(3, 9)$

Step 1

Use the midpoint formula to find the midpoint of the line segment.

(\frac{x_{1} + x_{2}}{2}, \frac{y_{1} + y_{2}}{2})

$(\frac{x_{1} + x_{2}}{2}, \frac{y_{1} + y_{2}}{2})$

Step 2

Substitute in the values for

(x_{1}, y_{1})

$(x_{1}, y_{1})$ and

(x_{2}, y_{2})

$(x_{2}, y_{2})$ .

(\frac{1 + 3}{2}, \frac{2 + 9}{2})

$(\frac{1 + 3}{2}, \frac{2 + 9}{2})$

Step 3

Add

1

$1$ and

3

$3$ .

(\frac{4}{2}, \frac{2 + 9}{2})

$(\frac{4}{2}, \frac{2 + 9}{2})$

Step 4

Divide

4

$4$ by

2

$2$ .

(2, \frac{2 + 9}{2})

$(2, \frac{2 + 9}{2})$

Step 5

Add

2

$2$ and

9

$9$ .

(2, \frac{11}{2})

$(2, \frac{11}{2})$

Step 6

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