Find the Point of a Circle Using the Equation

x² + y² = r² Identify r.

x² + y² = 169

• 13²

• 13

• 169

• -13

Tags

CCSS.HSG.GPE.A.1

In the equation for a circle, (x-h)²+(y-k)²= r², what part of the circle do the h, k and r represent?

• r is the hypotenuse, h and k are points on the circle

• r is the radius, h and k are points on the circle

• r is the roundness, h and k represent the center

• r is the radius, h and k represent the center

Tags

CCSS.HSG.GPE.A.1

What is the center and radius of a circle with an equation (x+5)² + (y-1)² = 64

• Center is (5,1) and radius is 8

• Center is (-5, 1) and radius is 8

• Center is (-1, 5) and radius is 8

• Center is (-5,-1) and radius is 8

Tags

CCSS.HSG.GPE.A.1

In the equation (x-3)²+(y+4)²=121, the center of the circle is at...

• (3, -4)

• (-3, 4)

• (4, 3)

• (-4, -3)

Tags

CCSS.HSG.GPE.A.1

A circle is represented by the equation  x²+y²+4x+6y-36=0? . Which of the following shows the location of the center of the circle?

• center (2, 3)

• center (-2, -3)

• center (4, 6)

• center (-4, -6)

Tags

CCSS.HSG.GPE.A.1

Find the center and radius of the circle: 3x² + 3y² + 42x - 6y = -3

• center= (-7, 2) radius= 3

• center= (-7, 1) radius= 7

• center= (-4, 1) radius= 5

Tags

CCSS.HSG.GPE.A.1

Determine the CENTER of the circle:

Tags

CCSS.HSG.GPE.A.1

Determine the Center and Radius of the following equation of a circle.

• Center: (-9,16)
  Radius: 1

• Center: (9, -16) 
  Radius: 1

• Center: ( 18, -32) 
  Radius: 1 

• Center: (-18, 32) 
  Radius: 2

Tags

CCSS.HSG.GPE.A.1

Consider the circle equation shown below - identify the center and the radius

Tags

CCSS.HSG.GPE.A.1