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Neko [114]
3 years ago
12

Which equation is the direct variation equation if f(x) varies directly with x and f(x)=-2 when x=6

Mathematics
1 answer:
Agata [3.3K]3 years ago
7 0

Answer:

f(x)=-x/3

Step-by-step explanation

Given f is a direct variation equation (Direct variation is when one variable is equal to a constant times another variable, with no additions or subtractions alongside).

Now by the above condition let the constant be "c".Then

f(x)=cx

also given that f(x)=-2 whenx=6

on substituting the above values,

-2=c(6)

c=-2/6

c=-1/3

Therefore our equation is f(x)=-x/3

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