Precalculus Examples

Graph 6x^2+6y^2=144
Step 1
Divide both sides of the equation by .
Step 2
This is the form of a circle. Use this form to determine the center and radius of the circle.
Step 3
Match the values in this circle to those of the standard form. The variable represents the radius of the circle, represents the x-offset from the origin, and represents the y-offset from origin.
Step 4
The center of the circle is found at .
Center:
Step 5
These values represent the important values for graphing and analyzing a circle.
Center:
Radius:
Step 6