6.11 Equation of a Circle

Write the equation of the circle.

Mathematical Equivalence

ON

Tags

CCSS.HSG.GPE.A.1

In the equation (x+2)²+(y-3)²=4.

What is the radius of the circle?

Mathematical Equivalence

ON

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.HSG.GPE.A.1

In the equation (x-3)²+(y-2)²=16.

What is the center of the circle?

enter as (#,#) no spaces.

(a)  

Tags

CCSS.HSG.GPE.A.1

Write the equation of a circle with center (7, 0) with radius 3. 

Mathematical Equivalence

ON

Tags

CCSS.HSG.GPE.A.1

What is the equation for this circle?

Mathematical Equivalence

ON

Tags

CCSS.HSG.GPE.A.1

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

enter as (#,#) no spaces

(a)  

Tags

CCSS.HSG.GPE.A.1

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 center of the circle with equation x² + y² = 1?

• (1, 1)
• (0, 0)
• not enough information
• (-1, -1)

Tags

CCSS.HSG.GPE.A.1