Equation of a Circle

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

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-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

What is the diameter?

• 8
• 16
• 10
• 4

Tags

CCSS.7.G.B.4

What is the radius?

• 18
• 72
• 38
• 14

Tags

CCSS.7.G.B.4

What are the coordinates of the center and the radius of the circle with equation:
(x - 4)² + (y - 3)² = 25 ?

• Center (4,3)
  Radius = 5 units
• Center (4,3)
  Radius = 25 units
• Center (-4,-3)
  Radius = 25 units
• Center (-4,-3)
  Radius = 5 units

Tags

CCSS.HSG.GPE.A.1

What is the equation of the circle, with center (4,2) and radius 5 units?

• (x + 4)² + (y + 2)² = 25
• (x + 4)² + (y + 2)² = 5
• (x - 4)² + (y - 2)² = 5
• (x - 4)² + (y - 2)² = 25

Tags

CCSS.HSG.GPE.A.1

Given: (x - 4)² + (x - 3)² = 121.

What is the radius of this circle?

• 4

• 3

• 11

• 121

Tags

CCSS.HSG.GPE.A.1

The distance around a circle

is called the...

• Diameter

• Radius

• Circumference

• Area

Tags

CCSS.HSG.GMD.A.1

Given: (x - 12)² + (y - 8)² = 25

What is the center and

the radius of this circle?

• Center: (12, 8)

  Radius = 5 units

• Center: (-12 ,8)

  Radius = 25 units

• Center: (-12,-8)

  Radius = 5 units

• Center: (12, 8)

  Radius = 25 units

Tags

CCSS.HSG.GPE.A.1