ellipse

Find the coordinates of foci of the ellipse (x/25)^2 + (y/16)^2 = 1

• (3, 0) (-3,0)

• (4, 0) (-4,0)

• (0, 3) (0, -3)

• (0, 4) (0, -4)

What is the major axis length for ellipse (x/25)^2 + (y/16)^2 = 1

• 5

• 4

• 8

• 10

What is the center of this ellipse? [(x-4)^2]/9 + [(y-5)^2]/16 = 1

• (4, 5)

• (4, -5)

• (-4, -5)

• (-4, 5)

For the following ellipse, identify the value of a, b and c.

x^2/36 +[(y-4)^2]/25 = 1

• a=6 b=5 c=3.32

• a=6 b=5 c=11

• a=6 b=5 c=3

• a=36 b=25 c=11

For the following ellipse, identify the orientation, its width and its height.

[(x+3)^2]/16 +[(y-1)^2]/49 = 1

• horizontal, width=8, height=14

• vertical, width=8, height=14

• vertical, width=14, height=8

• vertical, width=4, height=7

For the following ellipse, how would you graph the two focus points or foci? 

[(x-4)^2]/1 + [(y-5)^2]/10 = 1

• Move up and down by 3 units from a starting point of (5, 4) and plot two points

• Move left and right by 3 units from a starting point of (4, 5) and plot two points

• Move up and down by 3 units from a starting point of (4, 5) and plot two points

• Move up and down by 9 units from a starting point of (4, 5) and plot two points

If the two points F and G are the foci of an ellipse, which of the following statements is true?

• The ellipse is the set of points, P, such that FP-GP is constant.

• The ellipse is the set of points, P, such that FP+GP is constant.

• The ellipse is the set of points, P, such that FP x GP is constant.

• The ellipse is the set o points, P, such that FP/GP is constant.

The center of ellipse is same as a vertex.

• TRUE

• FALSE

• Probably

• Maybe

If length of major axis is 10 and minor axis is 8, with major axis along x-axis then find the equation of the ellipse.

• (x/4)^2 + (y/5)^2 = 1

• (x/5)^2 + (y/4)^2 = 1

• (x/10)^2 + (y/8)^2= 1

• (x/8)^2 + (y/10)^2 =1

An ellipse has ____ vertex/vertices and ____ focus/foci.

• two, one

• one, one

• one,two

• two, two