520
RCMultiple Choice
Unit Summary — Cumulative exam
Question 520 • Career Explorations - EL3401
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