Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
The equation
x
2
+
y
2
−
4
x
+
6
y
−
12
=
0
x^2 + y^2 - 4x + 6y - 12 = 0
x
2
+
y
2
−
4
x
+
6
y
−
12
=
0
represents a circle. What is its radius? a)
12
\sqrt{12}
12
b)
5
5
5
c)
13
\sqrt{13}
13
d)
4
4
4
Browse the problem library