Circles in the Coordinate Plane Practice

A circle with center (-2,6) passes through the point (-2,10).

A. (x+2)^2 + (y-6)^2 = 16

Which of the following is the equation of a circle with center (5,-2) and a radius if 3?

A. (x-5)^2 +(y+ 2)^2= 9 radius

The equation of a circle is (x+8)^2 + (y + 9)^2= 169

A. Center =(-8,-9) radius 3

The equation of a circle is (x-7)^2 + y^2=225

B. center (7,0) radius 15

A circle with center (1,2) passes through the point (0,6).

C. (x-1)^2 + (y-2)^2 = 17

Which of the following is the equation of the circle shown below.

C. (x-3)^2+(y+5)^2= 64

Which of the following equations is the equation of the circle with diameter AB and points A (0,0) and B (8,6)?

C. (x-4)^2 + (y-3)^2

Part B which of the following is the length of a 1 degree arc on the equator, to the nearest mile.

C. 69 miles

A close estimate of the radius of the earth's equator is 3,960 miles. Which of the following is the equation of the equator, if the center of the earth is considered to be the origin

C. x^2+Y^2 = 15,81,600

Write the equation of the circle shown here.

D. (x-7)^2+(y+2)^2 = 52