A circle with radius of
centered at the point .
The general equation for a circle is:
? ? ?
A circle with center
and radius .
A circle with equation
. (Hint: Complete the square for both and .)
Rearrange the terms first:
_________ _________ _________
Remember to add both numbers that complete the squares.
Use the eTool below to graph the equations for each part.
Click the link at right for the full version of the eTool: CCA2 3-35 HW eTool