### Home > A2C > Chapter 6 > Lesson 6.2.3 > Problem 6-87

6-87.

A circle has the equation . If the circle is shifted

The general equation for a circle is

where the center is at .

Be sure to square the doubled radius correctly:

6-87.

A circle has the equation . If the circle is shifted

The general equation for a circle is

where the center is at .

Be sure to square the doubled radius correctly: