Circle equations

(x −3)²+(y − 2)² =16

the center of the circle is...

• (3,2)

• (-3, -2)

• (-2, -3)

• (2, 3)

Tags

CCSS.HSG.GPE.A.1

In the equation

(x+2)²+(y-3)²= √4

the radius of the circle is...

• 4

• 2

• 8

• 16

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 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

What is the center and radius for the

circle with this equation

x² +y² + 4x + 6y −36 = 0?

• (-4,-6), r = 36

• (4, 6), 4 = 6

• (2, 3), r = 49

• (−2,−3) , r = 7

Tags

CCSS.HSG.GPE.A.1

What is the equation for this circle?

• (x + 1)+(y + 1) = 9

• x² + y² = 9

• x + y=9

• x² + y² = 3

• x² − y² = 9

Tags

CCSS.HSG.GPE.A.1

What is the radius of the circle with

this equation of

(x−5)² + (y+7)² = 8?

• 4

• 8

• 4√2

• 2√2

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

• (x+1)² + (y+2)² = 16

• (x−2)² + (y−1)² = 16

Tags

CCSS.HSG.GPE.A.1

What is the radius of the circle with

this equation

x² + y² − 10x + 8y −23= 0?

• 4

• 16

• 8

• 64

• √23

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 - 4)² + (y + 4)² = 1

• (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