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sergejj [24]
3 years ago
7

Will mark brainlest

Mathematics
2 answers:
Naya [18.7K]3 years ago
8 0

Answer:

Option C is correct

y = 15x

Step-by-step explanation:

Direct variation states that:

y \propto x          ......[1]

then, the equation is in the form of:

y=kx, where k is the constant of variation.

From the given table :

consider any points;

x = 9 and y = 135

Substitute these in [1] we have;

135 = 9k

Divide both sides by 9 we have;

15 = k

or

k = 15

then, the equation we have; y = 15x

Therefore,  the constant of proportionality for the table and write in the form y = kx is, y = 15x

aleksklad [387]3 years ago
7 0

Divide y by x:

150/10 = 15

135/9 = 15

30 /2 = 15

They all equal 15


This means the constant of proportionality would be y = 15x


The answer is C.

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