Center Radius Form of a Circle

In the equation (x-3)²+(y-2)²=16, the center of the circle is...

• (3,2)
• (-3, -2)
• (-2, -3)
• (2, 3)

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

• 4
• 2
• 3
• 16

Write the standard equation of the circle with the given center and radius; center (0,0) and radius: 3

• x²+y²=3
• x²+y²=6
• x²+y²=9

Which graph corresponds to 
(x)²+ (y-6)²=9

• A
• B
• C
• D

The diameter of a circle has length 12. The center is at (-5, 2). Give the equation of the circle.

• (x - 2)² + (y + 5)² = 36
• (x - 5)² + (y + 2)² = 6
• (x + 5)² + (y - 2)² = 36
• (x + 2)² + (y - 5)² = 6

Which graph corresponds to

(x-4)²+ (y+4)²=25

• A

• B

• C

• D

Which graph corresponds to

(x+2)²+ (y-3)²=36

• A

• B

• C

• D

What is the coordinates of the centre and the radius of the circle with equation:
(x - 1)^2 + (y - 2)^2 = 3^2 ?

• Centre (-1,-2)
  Radius = 3 units
• Centre (1,2)
  Radius = 3 units
• Centre (-1,-2)
  Radius = 9 units
• Centre (1,2)
  Radius = 9 units

What is the coordinates of the centre and the radius of the circle with equation:
(x - 5)^2 + (y + 3)^2 = 36 ?

• Centre (5,-3)
  Radius = 6 units
• Centre (-5,3)
  Radius = 6 units
• Centre (-5,3)
  Radius = 36 units
• Centre (5,-3)
  Radius = 36 units

What is the equation of the circle?

• (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