References Keview View Help Editing v 15 Share 11 A ABIUDAVA . . . Ev Ev Part III: Use Parts I and II to write the standard form equation of the circle. (2 points) * 2 4. The standard form equation of an ellipse centered at the origin is Part I: An ellipse centered at the origin has a horizontal axis of length 20 and a vertical axis of length 8. What are the values of a and b in the standard form equation? (2 points)