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Alika [10]
2 years ago
8

The following table shows a proportional relationship between x and y.

Mathematics
1 answer:
RUDIKE [14]2 years ago
8 0

Answer:

Assume x is directly proportional to y :

y \:  \alpha  \: x \\ y = kx

when y is 9, x is 2:

substitute to find value of k :

9 = (k \times 2) \\ k =  \frac{9}{2}

Therefore, equation is:

{ \boxed{ \boxed{2y = 9 x}}}

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