Circle Formulas and Definitions

What is the center of the circle with this equation is (x+2)²+(y-4)²=41?

• (2,-5)
• (-2,4)
• (2,-4)

Tags

CCSS.HSG.GPE.A.1

What is the equation for the circle shown?

• (x+2)² + (y-6)² = 25
• (x-2)² + (y+6)² = 5
• (x+2) + (y-6) = 25

Tags

CCSS.HSG.GPE.A.1

What is the radius of the circle
(x+7)²+(y-2)²=144?

• 7
• 12
• 13

Tags

CCSS.HSG.GPE.A.1

What is the center for the circle with this equation x²+y²+4x+6y-36=0?

• (-2,3)
• (2,7)
• (-2,-3)

Tags

CCSS.HSG.GPE.A.1

What is the equation for this circle?

• (x+1)+(y+1)=9
• x²+y²=9
• x+y=9

Tags

CCSS.HSG.GPE.A.1

Which of the following is the equation for a circle with a center of (1,4) and a radius of 6?

• y=4x+1
• (x-1)²+(y-4)²=36
• (x+1)+(y+4)=36

Tags

CCSS.HSG.GPE.A.1

What is the radius of the circle with this equation of  (x-5)²+(y+7)²=81?

• 11
• 8
• 9

Tags

CCSS.HSG.GPE.A.1

What is the equation of this circle?

• (x-1)²+(y-2)²=16
• (x+1)²+(y+2)²=4
• x²+y²=16

Tags

CCSS.HSG.GPE.A.1

What is the radius of the circle with this equation x²+y²-10x+8y-23=0?

• 4
• 2
• 8

Tags

CCSS.HSG.GPE.A.1

What is the equation for the circle, if it has diameter endpoints at (3,-4) and (-5.-4)?

• (x+1)² + (y+4)² = 16
• (x+1)² + (y-4)² = 16
• (x-1)² + (y-4)² = 16
• (x-1)² + (y+4)² = 16

Tags

CCSS.HSG.GPE.A.1