CPM Homework Banner
8-42.

A circle with its center on the line in the st quadrant is tangent to the -axis. 8-42 HW eTool (Desmos).

  1. If the radius is , what is the equation of the circle?

    What point on the line is units from the -axis?

    Use the coordinates of the center and the radius to write an equation in general form.

  2. If the radius is , what is the equation of the circle?

    See part (a).

Use the eTool below for help with this problem.
Click on the link at right for the full eTool version: CCA2 8-42 HW eTool