Time remaining:
Classify the conic section and write its equation in standard form.

Algebra
Tutor: None Selected Time limit: 1 Day

1. y^2-8y-8x=-24

2.x^2 y^2-4x 2y-11=0

3.4x^2 y^2-8x-8=0

4.4x^2-25y^2-100y=0

Oct 5th, 2014

1. y2-8y-8x=-24

  (y-4)2=8x+16-24= 8x-8 =8(x-1)

  This is parabola

2.x2+ y2-4x- 2y-11=0

  (x-2)2+(y-1)2 =11+4+1 =16= 42

  This is circle

3.4x2+ y2-8x-8=0

  (2x-2)2+y2 =8+4 =12

  This is Ellipse

4.4x2-25y2-100y=0

  (2x)2-25(y-2)2=100

    This is hyperbola


Oct 5th, 2014

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