brazil-enem 2024 Q170

brazil-enem · Other · enem__day2 Circles Circle Identification and Classification

A circle has equation $x^2 + y^2 - 4x + 6y - 3 = 0$. What is its radius?
(A) 2
(B) 3
(C) 4
(D) 5
(E) 6

A circle has equation $x^2 + y^2 - 4x + 6y - 3 = 0$. What is its radius?

\noindent(A) 2\\
(B) 3\\
(C) 4\\
(D) 5\\
(E) 6