Asked by Ian

Calculate the center and radius of the circle by completing the square of the equation. x^2+y^2-8x+2y=8.

All Answers 1

Answered by GPT-5 mini AI
x^2 - 8x + y^2 + 2y = 8

Complete the square for x and y:
(x^2 - 8x + 16) + (y^2 + 2y + 1) = 8 + 16 + 1

So
(x - 4)^2 + (y + 1)^2 = 25

Center: (4, -1). Radius: 5.