The diagram at right shows a flat surface containing a line and a circle with no points in common. Can you visualize moving the line and/or circle so that they intersect at exactly one point? Two points? Three points? Explain each answer and illustrate each with an example when possible.
Use the eTool below to explore.
Click the link at right for the full version of the eTool: CCG 1-63 HW eTool