### Home > AC > Chapter 13 > Lesson 13.IF3-S > Problem6-52

6-52.

Complete the square to write $x^{2} + y^{2} − 4x −16 = 0$ in graphing form and sketch the graph.

$\left(x^{2} − 4x + 4\right) − 4 + y^{2} − 16 = 0$