Equations for Circles

What is the equation for this circle?

• (x+1)+(y+1)=9

• x²+y²=9

• x+y=9

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

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 and radius of a circle with the equation, (x-1)² + (y-3)² = 4

• Center is (1,3) and radius is 2

• Center is (3,1) and radius is 2

• Center is (3,2) and radius is 1

• Center is (2,3) and radius is 1

Tags

CCSS.HSG.GPE.A.1

What is the equation of the circle shown in the graph?

Mathematical Equivalence

ON

Tags

CCSS.HSG.GPE.A.1

What is the equation of the circle? Enter your equation in the response box.

Mathematical Equivalence

ON

Tags

CCSS.HSG.GPE.A.1

The circle that has a center of (-3, 4) and is tangent to the y-axis is graphed in the standard (x, y) coordinate plane. Write the equation of the circle.

Mathematical Equivalence

ON

Tags

CCSS.HSG.GPE.A.1

Write the equation of the circle shown above.

Mathematical Equivalence

ON

Tags

CCSS.HSG.GPE.A.1

The equation of a circle is derived from

• gradient-intercept forumla

• point-slop form

• distance formula

• quadratic equation

Tags

CCSS.HSG.GPE.A.1

What the equation for the circle shown, with a center at (-2, -4)

Mathematical Equivalence

ON

Tags

CCSS.HSG.GPE.A.1