5. Example: Write the equation and find the center and radius length of : Group terms Complete the square
6. You try!!: Write the equation and find the center and radius length of :
7. THINK ABOUT IT Find the center, the length of the radius, and write the equation of the circle if the endpoints of a diameter are (-8,2) and (2,0). Center : Use midpoint formula! Length : use distance formula with radius and an endpoint Equation : Put it all together