Math 142 P Homework Instructor Homework Assignment Score 0 o

Math 142, P Homework: Instructor Homework Assignment Score: 0 of 1 pt 7 of 9.1.85 The equation of the red ellipse in the figure shown to the right is 1. Write the equation for 81 36 each circle shown in the figure.

Solution

Center: (0,0)(0,0).

Vertices: (9,0),(9,0).

Co-vertices: (0,6), (0,6).

a=9

b=6

equation for big circle

x^2+y^2=81

equation for small circle

x^2+y^2=36