Question

Determine the center and radius of each circle and sketch the graph.

Graph: x^2+y^2=4x

Answer 1

(2, 0); radius 2

Explanation:

x² - 4x + ___ + y² = 0

x² - 4x + 4 + y² = 4

(x - 2)² + y² = 2²

Center: (2, 0); radius 2