Equations of Circles

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 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

The diameter of a circle has length 12. The center is at (-5, 2). Give the equation of the circle.

• (x - 2)² + (y + 5)² = 36

• (x - 5)² + (y + 2)² = 6

• (x + 5)² + (y - 2)² = 36

• (x + 2)² + (y - 5)² = 6

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

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?

Tags

CCSS.HSG.GPE.A.1

Select the statements that are true about the graph.

• The center is the origin.

• The radius is 6 units.

• The h-value is 0.

• The k-value is 0.

Tags

CCSS.HSG.GPE.A.1

The equation of a circle is: \left(x-3\right)^2+\left(y-2\right)^2=16

• The radius is 32 units.

• The radius is 16 units.

• The radius is 8 units.

• The radius is 4 units.

Tags

CCSS.HSG.GPE.A.1

What is the equation of the circle?

Tags

CCSS.HSG.GPE.A.1

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Tags

CCSS.HSG.GPE.A.1