12.5 Circles in the Coordinate plane.notebook
May 19, 2014
12.5 Circles in the Coordinate Plane
Objective: Be able to write the equation of a circle and to find the
center and the radius.
Equation of Circle:
(x, y)
(h, k)
May 16­9:56 AM
Write the standard equation of a circle with center (­6, 8) and radius 5.
May 16­9:58 AM
1
12.5 Circles in the Coordinate plane.notebook
May 19, 2014
What is the equation of the circle with center (4, 2) and that passes through (2, ­3)
May 16­9:58 AM
What is the center and radius of the circle with the following equation:
Graph the circle:
May 16­9:58 AM
2
12.5 Circles in the Coordinate plane.notebook
May 19, 2014
On your own or with a partner:
May 16­9:58 AM
Homework:
12.5 Practice
odds only
May 16­9:58 AM
3