equation of circle

Which of the following is the correct equation for a circle given the radius r and the center point (h,k).

Tags

CCSS.HSG.GPE.A.1

Which equation represents a circle that has a radius of 6 and is centered at (-3, 5)?

Tags

CCSS.HSG.GPE.A.1

What is the equation of the circle? (Pay attention to the scaling on the graph)

Tags

CCSS.HSG.GPE.A.1

What is the equation of the circle?

Tags

CCSS.HSG.GPE.A.1

• center: (6, 9)

  radius: 4

• center: (-6, -9)

  radius: 2

• center: (6, 9)

  radius: 2

• center: (9, 6)

  radius: 4

Tags

CCSS.HSG.GPE.A.1

• center: (4, -1)

  radius: 5

• center: (4, -1)

  radius: 25

Tags

CCSS.HSG.GPE.A.1

Write the equation of a circle with center (7, 0) with radius 3.

• (x - 7)² + y² = 9

• x² + (y -7)² = 9

• (x - 7)² + y² = 3

• x² + (y -7)² = 3

Tags

CCSS.HSG.GPE.A.1

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

• Center (4, 3)

  Radius = 5 units

• Center (4, 3)

  Radius = 25 units

• Center (-4, -3)

  Radius = 25 units

• Center (-4, -3)

  Radius = 5 units

Tags

CCSS.HSG.GPE.A.1

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

• x² + y² = 4

• x² + y² = 81

• x² + y² = 9

• x² + y² = 3

Tags

CCSS.HSG.GPE.A.1

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

Tags

CCSS.HSG.GPE.A.1