Equations of Ellipses

Question 1

On which line will the foci be graphed?

Revolt · Accepted Answer

y = 0

Question 2

The foci are located at about .

Revolt · Accepted Answer

(4.58, 0) and (-4.58, 0)

Question 3

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. | On which line will the foci be graphed? | The foci are located at about . | What type of lines will the directrices be? | The directrices are located at about .

Revolt · Accepted Answer

both vertical

Question 4

The directrices are located at about .

Revolt · Accepted Answer

x = 5.46 and x = -5.46

Question 5

Which statements about the graph are true? Check all that apply.

Revolt · Accepted Answer

The distance between the center and each covertex is 2.; The distance between the center and each focus is about 2.2 units.; The directrices are about 4 units from the center.

Equations of Ellipses Answers

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