Graphing Circles

Front

What does (h,k) stand for in the standard circle equation?

Back

(h,k) is the center of the circle

Front

In the equation (x-3)²+(y+4)²=121, the radius of the circle is

Back

11

Front

Equation of a circle with radius 2 and center (3, 4)?

Back

(x-3)² + (y-4)² = 4

Front

What is the equation of the circle? Options: (x+1)² + (y +1)² = 3, (x+1)² + (y -1)² = 3, (x+1)² + (y +1)² = 9, (x-1)² + (y -1)² = 9

Back

(x+1)² + (y +1)² = 9

Front

What are the coordinates of the center and the radius of the circle with equation:
(x - 4)² + (y - 3)² = 25?

Back

Center (4,3)
Radius = 5 units

Front

Center of the circle in the equation (x-3)²+(y-2)²=16

Back

(3,2)

Front

Equation of the circle:

Back

(x - 3)² + (y + 4)² = 9

Front

See Picture

Back

A

Front

What is the center of the circle with equation x² + y² = 1?

Back

(0, 0)

Front

Center is at (-3, 1) and radius is 3.

Back

(x + 3)² + (y - 1)² = 9