Equation of a Circle
- Author:
- Jason Miner
Use the sliders for h and k to change the center of the circle and the slider for r to change its radius. Also, move the point (x,y) around the circle. Can you find a relationship between the center (h,k), the point (x,y), and the radius r of the circle?
To change the viewing window, hold the shift button and left-click to drag the graph or use the scroll wheel to zoom in/out. You can also adjust the axes by holding the shift button and left-click on the axis you want to change.