Geometrymedium · Past Paper
The center of the circle x^2 + y^2 - 4x + 6y - 12 = 0 is:
A(2, -3)
B(-2, 3)
C(4, -6)
D(2, 3)
✓ Correct Answer: A — (2, -3)
Center (h, k) = (-g, -f) where 2g = -4 and 2f = 6. Thus, h = 2, k = -3.
Share this question
More from Geometry
- If a transversal intersects two parallel lines, the co-interior angles are:
- Find the angle between the hour and minute hands at 10:10.
- Find the equation of a line with slope 1 and passing through (0, 5).
- The point which divides the join of (1, 2) and (3, 4) externally in 2:1 is:
- A circle is divided into two parts by a chord. The larger part is called: