The graph of x^2 - 2x + y^2 = 24 is a circle. Find the center and radius of this circle.
We can use the circle equation:(x−h)2+(y−k)2=r2,h=x of center,k=y of the center
so x2−2x+y2=24 Is now more clearer because if (h=−1,k=0),(x−1)2+(y)2=52simplified is:
The middle:(−1,0), the raidius r=5
