Find the distance between (-4, 2) and

(6, -3)

Find the midpoint of the segment connecting

(3, -2) and (4, 5).

The midpoint of a segment is (-5, 0) and one endpoint is (4, 3).

Find the other endpoint.

Find the focus:

y = 1/4(x – 3)2 – 6

2

Find the vertex:

y = 1/4(x – 3)2 – 6

2

Find the directrix:

y = 1/4(x – 3)2 – 6

2

Find the focus:

1/16 (y + 2)2 – 3 = x

2

Find the vertex:

1/16 (y + 2)2 – 3 = x

2

Find the directrix:

1/16 (y + 2)2 – 3 = x

2

What conic section is this?

2x2 + 2y2 + 12x – 16y = -18

2

What is the center of the circle?

2x2 + 2y2 + 12x – 16y = -18

2

What is the radius of the circle?

2x2 + 2y2 + 12x – 16y = -18

2

Find the equation of the parabola with focus (1, -1)

and directrix y = 5.

2

Find the equation of the circle with center (4, -3)

and radius r = 3.

2

Find the equation of the circle with center (-3 , 9) and contains the point

(1, 4).

2

What conic section is this equation?

2

8y8yx2x 22

What conic section is this equation?

2

8x2xy 2

What conic section is this equation?

2

361y44x9 22

What conic section is this equation?

4x2 - 2y + 16 = 0

2

What conic section is this equation?

8x2 + 8y2 + 16x + 4y + 2 = 0

2

Last one!!!

ANSWERS TO HANG ON THE ANSWERS TO HANG ON THE BOARD OR WALLBOARD OR WALL

1.11

)23,

27(

)3,14(

)5,3(

)6,3(

7y

)2,3(

)2,1(

7x

)4,3(

4

CircleCircle

EllipseEllipse

ParabolaParabola

HyperbolaHyperbola