Circles and Ellipses Review

Which equation matches the following center and circumference?

• A

• B

• C

• D

Which equation matches the following center and point on the circle?

• A

• B

• C

• D

Which equation matches the given ellipse?

• A

• B

• C

• D

Which ellipse matches the following vertices and co-vertices?

• A

• B

• C

• D

Which ellipse matches the given equation?

• A

• B

• C

• D

Which graph matches the equation?

• A

• B

• C

• D

Which graph matches the given equation?

• A

• B

• C

• D

Find the location of the foci of the ellipse.

• (0, +√5)

• (+5, 0)

• (+√5, 0)

• (0, +5)

Find the equation of a circle with endpoints of a diameter (−3,1) and (9,-3).

Determine the center and radius:

x² + y² - 10x + 8y -8 = 0

• C = (5,-4) r = 7

• C = (-5,4) r = 7

• C = (-4,5) r = 49

• C = (5,-4) r = 49