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Big Ideas Math Geometry, 2014

BI

Big Ideas Math Geometry, 2014 View details

5. Equations of Parallel and Perpendicular Lines

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Exercise 30 Page 161

To find the midpoint, we can use the Midpoint Formula.

M (\frac{x _{1} + x _{2}}{2}, \frac{y _{1} + y _{2}}{2})

Then we can use the midpoint to write the equation of the perpendicular bisector.

Finding the Midpoint

The coordinates of the given endpoints are

P (- 7, 0)

and

Q (1, 8) .

Let's use these to find the coordinates of the midpoint.

Subchapter links

Communicate Your Answer p.155

Monitoring Progress p.156-159

Exercises p.160-162