Question

Determine the center and radius of the following circle equation:
2? + y2 – 12x – 18y + 17 = 0

Answer 1

Explanation:

hello :

x²+ y² -12x - 18y +17 = 0 means : (x²-12x+36)-36+(y²-18y+81)-81-27 =0

(x-6)²+(y-9)² =12²....standard form when the center is (-6 , 9) and radius 12