Equations of Ellipses

Question 1

What is the radius of the circle?

Revolt · Accepted Answer

3

Question 2

What is the x-coordinate of the circle’s center?

Revolt · Accepted Answer

-2

Question 3

✔ both verticalX both horizontalboth slantedone vertical and one horizontal

Revolt · Accepted Answer

✔ both vertical

Question 4

y = 5.46 and y = -5.46✔ x = 5.46 and x = -5.46X y = 5.46x and y = -5.46xx = 5.46 and y = 5.46

Revolt · Accepted Answer

✔ x = 5.46 and x = -5.46

Question 5

A and B✔ C and DE and F

Revolt · Accepted Answer

✔ C and D; Complete the statements about the graph. The major axis has endpoints at .: C and D; is a focus of the ellipse.: E; The center of the ellipse is located at .: (0, 0); The vertices of the ellipse are located at.: C and D; The directrices of the ellipse are lines that are .: perpendicular to the major axis

Question 6

AX C✔ E

Revolt · Accepted Answer

✔ E

Question 7

(0, 7)(3, 0)✔ (0, 0)

Revolt · Accepted Answer

✔ (0, 0)

Question 8

A and B✔ C and DX E and F

Revolt · Accepted Answer

✔ C and D

Question 9

✔ perpendicular to the major axisperpendicular to the minor axisparallel to the major axis

Revolt · Accepted Answer

✔ perpendicular to the major axis

Question 10

An ellipse has vertices of (5, 0) and (–5, 0) and covertices of (0, 2) and (0, –2). Use the given information to answer the questions about the ellipse.

Revolt · Accepted Answer

On which line will the foci be graphed?: y = 0; The foci are located at about .: (4.58, 0) and (-4.58, 0); both vertical; The directrices are located at about .: x = 5.46 and x = -5.46

Equations of Ellipses Answers

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