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docker41 [41]
3 years ago
9

The value of y when x=7

Mathematics
1 answer:
elixir [45]3 years ago
3 0

Answer:

y = 49

Step-by-step explanation:

y ∝ x²

=> y = kx²

<u><em>Where k is the constant of proportionality</em></u>

k = 1 (We've found this out in the previous question)

Now,

y = ? when x = 7

<u><em>The above equation becomes:</em></u>

=> y = (1)(7)²

=> y = (1)(49)

=> y = 49

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