13
QuizMultiple Choice
Equations of Hyperbolas — Unit test
Question 13 • Precalculus
Two circles are concentric if they have the same center.
Answer
A
(x – 4)2 + (y – 6)2 = 4B
(x – 4)2 + (y – 6)2 = 16C
(x – 6)2 + (y – 4)2 = 16D
(x – 6)2 + (y – 4)2 = 4