Equations of Circles

What is the equation of a circle with radius 2 and center (3, 4)?

• (x+3)² + (y+4)² = 2
• (x-3)² + (y-4)² = 2
• (x+3)² + (y+4)² = 4
• (x-3)² + (y-4)² = 4

Tags

CCSS.HSG.GPE.A.1

What is the equation of a circle with radius 4 and center (0, 8)?

• x² + (y-8)² = 16
• (x-8)² + y² = 4
• x² + (y-8)² = 4
• x² + (y+8)² = 16

Tags

CCSS.HSG.GPE.A.1

What is the radius of the circle given by the equation (x-7)² + (y+3)² = 25?

• 3
• 5
• 10
• 25

Tags

CCSS.HSG.GPE.A.1

What is the center of the circle given by the equation (x-7)² + (y+3)² = 25?

• (-7, 3)
• (7, -3)
• (3, -7)
  (3, -7)
• (-3, 7)

Tags

CCSS.HSG.GPE.A.1

What is the radius of a circle with equation (x-4)² + (y+5)² = 49?

• 3.5
• 7
• 14
• 49

Tags

CCSS.HSG.GPE.A.1

What is the center of a circle with equation (x-4)² + (y+5)² = 49?

• (4, -5)
• (5, -4)
• (-4, 5)
• (-5, 4)

Tags

CCSS.HSG.GPE.A.1

What is the equation of a circle with radius 8 and center (-1, -2)?

• (x+1)² + (y+2)² = 8
• (x-1)² + (y-2)² = 64
• (x-1)² + (y-2)² = 8
• (x+1)² + (y+2)² = 64

Tags

CCSS.HSG.GPE.A.1

What is the radius of a circle with equation (x-4)² + y² = 5?

• 2.2
• 5
• 10.8
• 25

Tags

CCSS.HSG.GPE.A.1

What is the center of a circle with equation (x-4)² + y² = 5?

• (-4, 0)
• (4, 0)
• (4, 1)
• (-4, 1)

Tags

CCSS.HSG.GPE.A.1

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

• 0
• 0.5
• 1
• 2

Tags

CCSS.HSG.GPE.A.1