Match Each Item with the Correct Graph to Obtain a True

Multiple Choice

Match each item with the correct graph to obtain a true statement.
- $\phi$

A) $x ^ { 2 } + y ^ { 2 } = 0$
B) $x ^ { 2 } + y ^ { 2 } = 9$
C) $x ^ { 2 } + y ^ { 2 } = - 9$