6. Sum of focal radii = 2a (AKA length of major axis)
Write an equation for the ellipse
Ex 1) Vertices (4, ­16) (4, 4); Co­Vertices (­4, ­6), (12, ­6).
Title: Mar 18­8:29 AM (1 of 2)
Notice number 6 is in a
different color. That
means you will need this
info but will probably
forget I gave you the
info.
Ex 2)
Foci (­11, 5)
Ex 3) sum of focal radii is 20, Co­V (4, ­6)(12, ­6)
TEST TOMORROW
Title: Mar 18­9:01 AM (2 of 2)
and (9, 5)