Precalculus Conic Sections

A ____________ is the set of all points (x, y) in a plane that are equidistant from a fixed point, called the center.

• locus

• conic section

• circle

• radius

A ______ is the set of all points whose difference from two fixed points is constant.

• hyperbola

• circle

• ellipse

• parabola

Conic sections are the curves obtained by intersecting a

____and a right circular cone.

• angle

• side

• plane

• axis

(x-5)^2+ (y- 4)^2 = 4

Determine the center and radius given the equation of a circle in standard form.

• center (5,4)

  radius 4

• center (5,4)

  radius 2

• center (-5,4)

  radius 2

• center (-5,-4)

  radius 2

On the given standard equation what is the radius

 (x-2)^2 + (y-3)^2 =(√6)^2

• 36

• 6

• 3

• √6

What type of conic section is shown?

• Circle

• Ellipse

• Parabola

• Hyperbola

What conic section is pictured?

• Circle

• Ellipse

• Parabola

• Hyperbola

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

What is the center and radius given the equation, 8x+x²-2y+y²-64=0?

• Center: (-4, 1), Radius: 9

• Center: (4,1), Radius: 9

• Center: (1,-4), Radius: 81

• Center: (-4, 1), Radius: 81

Give the center in this equation

(x - 2)² + (y + 4)² = 25