A circle has the equation (x+11) 2 + (y+6) 2=324.

What are the coordinates of the center and the length of the radius?

The coordinates of the center are (11,6), and the length of the radius is 18 units.

The coordinates of the center are (-11,-6), and the length of the radius is 324 units.

The coordinates of the center are (11,6), and the length of the radius is 324 units.

The coordinates of the center are (-11,-6), and the length of the radius is 18 units.

Question

Mathematics

Elian Noble

Today, 12:01

A circle has the equation (x+11) 2 + (y+6) 2=324.

What are the coordinates of the center and the length of the radius?

The coordinates of the center are (11,6), and the length of the radius is 18 units.

The coordinates of the center are (-11,-6), and the length of the radius is 324 units.

The coordinates of the center are (11,6), and the length of the radius is 324 units.

The coordinates of the center are (-11,-6), and the length of the radius is 18 units.

+4

Answers (1)

Know the Answer?

Xander Payne · Answer 1

The centre is (-11, - 6) and the radius = 18 units.

(Option 4).

Step-by-step explanation:

If we compare this with the standard form

(x - h) ^2 + (y - k) ^2 = r^2

- we see that the center is (-11, - 6) and the radius id √324.