Circle Standard Form

What is the equation of the circle, with centre (7,-3) and radius 8 units?

• (x - 7)^2 + (y + 3)^2 = 8

• (x - 7)^2 + (y + 3)^2 = 64

• (x + 7)^2 + (y - 3)^2 = 8

• (x + 7)^2 + (y - 3)^2 = 64

What is the coordinates of the centre and the radius of the circle with equation:
(x + 2)^2 + (y + 5)^2 = 16 ?

• Centre  (2,5)
  Radius = 16 units

• Centre (2,5)
  Radius = 4 units

• Centre (-2,-5)
  r = 16 units

• Centre (-2,-5)
  Radius = 4 units

What is the equation of the circle, with centre (4,2) and radius 5 units?

• (x + 4)^2 + (y + 2)^2 = 25

• (x + 4)^2 + (y + 2)^2 = 5

• (x - 4)^2 + (y - 2)^2 = 5

• (x - 4)^2 + (y - 2)^2 = 25

What is the equation of the circle, with centre (3,8) and radius 4 units?

• (x - 3)^2 + (y - 8)^2 = 4

• (x - 3)^2 + (y - 8)^2 = 16

• (x + 3)^2 + (y + 8)^2 = 16

• (x + 3)^2 + (y + 8)^2 = 4

What is the equation of the circle, with centre (-2,-7) and radius 3 units?

• (x + 2)^2 + (y + 7)^2 = 3

• (x - 2)^2 + (y - 7)^2 = 9

• (x + 2)^2 + (y + 7)^2 = 9

• (x - 2)^2 + (y - 7)^2 = 3

What is the equation of the circle, with centre (-4,5) and radius 6 units?

• (x - 4)^2 + (y + 5)^2 = 6

• (x - 4)^2 + (y + 5)^2 = 36

• (x + 4)^2 + (y - 5)^2 = 6

• (x + 4)^2 + (y - 5)^2 = 36

What is the equation of the circle, with center (4,2) and radius 5 units?

• (x + 4)² + (y + 2)² = 25

• (x + 4)² + (y + 2)² = 5

• (x - 4)² + (y - 2)² = 5

• (x - 4)² + (y - 2)² = 25

What is the equation of the circle, with center (7,-3) and radius 8 units?

• (x - 7)² + (y + 3)² = 8

• (x - 7)² + (y + 3)² = 64

• (x + 7)² + (y - 3)² = 8

• (x + 7)² + (y - 3)² = 64

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

• Centre (4,3)
  Radius = 5 units

• Centre (4,3)
  Radius = 25 units

• Centre (-4,-3)
  Radius = 25 units

• Centre (-4,-3)
  Radius = 5 units

What is the center and radius for a circle with the equation:
(x-4)²+(y+2)²=25

• C:(4, -2), r=5

• C:(-4, 2), r=5

• C:(4, -2), r=25

• C:(-4, 2), r=25