# Write an equation of a circle that satisfies the set of conditions: center = (-1, 5) Radius = 2 units.

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Student Comments

aishukul | Student

The equation of a circle is: (x – h)^2 + (y – k)^2 = r^2

(h,k) stands for the center of the circle. r stands for the radius. You plug in the numbers given.

(x – (-1))^2 + (y – 5)^2 = 2^2

(x +1)^2 + (y – 5)^2 = 2^2

(x +1)^2 + (y – 5)^2 = 4. This is the simplified form of the equation.