Equation of a Circle

Write 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=4, the radius of the circle is...

• 4
• 2
• 3
• 16

Tags

CCSS.HSG.GPE.A.1

In the equation (x-4)²+(x-3)²=25, the radius is

• 4
• 3
• 5
• 25

Tags

CCSS.HSA.REI.B.4

CCSS.HSG.GPE.A.1

A line segment between two points on the circle which passes through the center

• Radius
• Diameter
• Chord
• Tangent

Tags

CCSS.HSG.C.A.2

Circles with exactly the same radius measures

• Similar Circles
• Concentric Circles
• Congruent Circles
• Semicircle

Tags

CCSS.HSG.C.A.1

CCSS.HSG.CO.B.6

The distance around a circle

• Diameter
• Radius
• Circumference
• Area

Tags

CCSS.HSG.GMD.A.1

In the equation
(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

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

• 7
• 12
• 13

Tags

CCSS.HSG.GPE.A.1

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

• (2,-5)
• (-2,4)
• (2,-4)
• (-2, -4)

Tags

CCSS.HSG.GPE.A.1