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kkurt [141]
3 years ago
12

Identify the variation as direct, inverse, joint or combined. y = 7x

Mathematics
2 answers:
densk [106]3 years ago
7 0

Answer:

y =7x , follows the direct variation.

Step-by-step explanation:

Direct variation states that a relationship between two variables in which one is a constant multiple of the other. In other words,  when one variable changes the other changes in proportion to the first.

If y is directly proportional to x i.e, y \propto x or

y = kx              .....[1]  where k is the constant variation

Given : y = 7x

On comparing this with equation [1] we get;

k(constant of variation) = 7

therefore,

it follows the direct variation as y \propto x  or

y = 7x where k =7 is the constant of variation.

Therefore, y =7x follows the direct variation.

damaskus [11]3 years ago
6 0
Possibly direct variation
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