A
B
C
D
E
100

In the equation for an ellipse, what does the (h,k) stand for?

CENTER

100

The "a" value of an ellipse represents the distance from the center to a __________

VERTEX

100

The "b" value in an ellipse represents the distance from the center to a ______

CO-VERTEX

100

The "c" value of an ellipse represents the distance from the center to a ________

FOCUS 

100

In an ellipse, 2a is the length of the ________ axis.

major

200

If the b squared is under the y squared in the formula for an ellipse, then the ellipse is ________

HORIZONTAL

200

True or False:
The a value is always larger than the b value for an ellipse.

TRUE

200

True or False:

The c value can sometimes be larger than the a value for an ellipse.

FALSE

200

True or False:

To find the vertices in a horizontal ellipse, you take half the "a" squared value and count that many spaces to the right and left of the center.

FALSE

200

How do you find the c-value if you know the a and b values for an ellipse?

c= a2 - b2

300

Find the vertices of a vertical ellipse centered at the origin with a = 7.

The vertices are (0, 7) and (0, -7). 

300

Find the co-vertices of a horizontal ellipse centered at (0,0) with b = 2.

The co-vertices are (0, 2) and (0, -2).

300

Find the foci of a horizontal ellipse centered at (0,0) with c = 4.

The foci are (-4,0) and (4,0).

300

What is the center of the ellipse given the equation 

(x+1)2 /9 + (y-3)2/25  = 1

The center is (-1,3).

300

Find the distance from the center to the focus given the equation (x - 3)2 / 49 + (y + 2)2 / 9 = 1 .

c = 2 square root of 10

400

If a vertex of an ellipse centered at the origin is located at (0,5) and a co-vertex is located at (4,0), then give the coordinates of the foci of the ellipse.

The foci are (0,3) or (0, -3).

400

Write the equation of an ellipse centered at (0,0) with a vertex at (10,0) and a co-vertex at (0,-3).

 x2 / 100 +  y/ 9 = 1

400

Find the vertices of the ellipse given

 (x + 1) 2 / 4 + (y - 2)2 / 9 = 1 .

Vertices ( -1,5) and ( -1, -1)

400

Given (x - 5)2 / 25 + (y - 3)/4 = 1 find the 

co-vertices.

(5,5) and (5,1)

400

What is the equation of the vertical ellipse given that its center is at (-2, -5), a=6, and b=3 ?

(x+2)2 /9  +   (y+5)2 /36  = 1

500

Give the general form of this equation 

x2 / 16  +  y2 /9  = 1

9x2 + 16y2 = 144

500

Transform this equation to standard form: 

x2 + 4y2 + 10x - 8y + 13 = 0

(x+5)2 /16  +  (y-1)2 /4  = 1

500

Given 16x^2 + 9y^2 = 144, find the foci

(0, square root of 7) and (0, neg square root of 7)

500

Given the equation of the ellipse, find the center. 25x^2 + 16y^2 + 150x -160y = -225

 (-3,5)

500
Transform to general form:

x2/ 25 + (y+2)2/9 = 1

9x2 + 25y2 + 100y - 125 = 0

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