Circle Equations

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 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

Tags

CCSS.HSG.GPE.A.1

Which graph corresponds to 
(x-8)²+ (y+2)²=

• A
• B
• C
• D

Tags

CCSS.HSG.GPE.A.1

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

Tags

CCSS.HSG.GPE.A.1

A meteorite damaged a portion of a farm expressed by the equation (x - 6)² + (y - 7)² = 16. Which item on the farm was not damaged by the meteorite?

• The Silo located at
  (2, 4)
• The Barn located at
  (4, 6)
• The Pigpen located at
  (8,9)

Tags

CCSS.HSG.GPE.A.1

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

• 4
• 2
• 3
• 16

Tags

CCSS.HSG.GPE.A.1

Write the equation of the circle with center C( -5 , 8 ) and radius = 7

• ( x - 5 )² + ( y + 8 )² = 14

• ( x - 5 )² + ( y - 8 )² = 49

• ( x - 5 )² + ( y + 8 )² = 49

• ( x + 5 )² + ( y - 8 )² = 49

Tags

CCSS.HSG.GPE.A.1

Write the equation of the circle with center C( 4 , -8 ) and radius = 5

• ( x - 4 )² + ( y + 8 )² = 25

• ( x + 4 )² + ( y - 8 )² = 25

• ( x - 4 )² + ( y - 8 )² = 25

• ( x + 4 )² + ( y - 8 )² = 10

Tags

CCSS.HSG.GPE.A.1

Write the equation of the circle with center C(-1 , -3) and radius = 6

• ( x + 1 )² + ( y + 3 )² = 12

• ( x - 1 )² + ( y + 3 )² = 36

• ( x - 1 )² + ( y - 3 )² = 36

• ( x + 1 )² + ( y + 3 )² = 36

Tags

CCSS.HSG.GPE.A.1

The equation of the circle is ( x - 8 )² + ( y + 3 )² = 9 . The center is

• ( 8, -3 )

• ( 8, 3 )

• ( -8, -3 )

• ( -8, 3 )

Tags

CCSS.HSG.GPE.A.1