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 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 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

In the equation (x+2)²+(y+3)²=49, the center of the circle is at....

• (2, 3)
• (3, 2)
• (-3, -2)
• (-2, -3)

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

Find the center if the endpoints of the diameter are at (-12, -7) and (3, 5)

• (-9/2, -1)
• (-15/2, -6)
• (9/2, 1)
• (15/2, 6)

Tags

CCSS.HSG.GPE.B.6

• A
• B
• C
• D

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

What is the equation for the circle?

• A
• B
• C
• D

Tags

CCSS.HSG.GPE.A.1