Question

Equation of circle with center at (2,-1) and radius 5 is​

Answer 1

Standard form for equation of the circle:

(x−a)^2 + (y−b)^2 = r^2

• Equation for the circle with center at (2,-1) with radius 5 is,
• (x-2) ^2 + (y+1)^2 = 25.

Hope I'm helping.