7
QuizMultiple Choice
Joint and Combined Variation
Question 7 of 10 • EAP-Algebra Functions and Data Analysis B
When a = 6 and b = 22, c = 33. If c varies directly with b and inversely with a, which equation models the situation?
Answer
A
StartFraction c Over a b EndFraction = one-fourth
B
c (a b) = 4356
C
StartFraction c a Over b EndFraction = 9
D
StartFraction c b Over a EndFraction = 121