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Ivahew [28]
3 years ago
6

Find the constant of variation k for the direct variation

Mathematics
1 answer:
MAVERICK [17]3 years ago
8 0
F(x) = a.x . We ha to calculate a.

Back to the table, let's rewrite the coordinates

A(0,0)
B(2,-1)
C(4,-2)
D(7,-3.5)
We know that constant is called slope or coefficient is equal to:
a=y/x
Apart from A, in each of the coordinates y/x =-1/2 & this is the slope of the equation f(x) = (-1/2)x
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