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Two quantities, x and y, are directly proportional. If x is doubled, what happens to y? clear check it is multiplied by 4. It is multiplied by 12. It depends on the starting value of x. It is doubled.

Respuesta :

The two quantities x and y, are directly proportional. If x is doubled, then value of y will also be doubled.

Define the term directly proportional?

If two quantities become directly proportional, it indicates that if one increases by a specific percentage, the other also increases by the same percentage.

  • The relationship between two values where their ratio equals a constant number is known as a direct proportion and direct variation. It is symbolized by the proportional sign (∝).
  • Since the other variable is reversed in this case, the inversely proportional relationship is really represented by the same symbol.

For the given situation;

x and y are in the direct proportional relation.

Thus,

x ∝ y

Thus,

x = k y

k = proportionality constant.

Thus,

multiplying both side by 2

2 x = 2 k y

Y also becomes twice .

If x is multiplied by 4 then,

4 x = 4 k y

y also get 4 times.

Thus, if x is doubled, then value of y will also be doubled and if x get 4 timed y also become 4 times.

To know more about the directly proportional, here

https://brainly.com/question/1266676

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