bezakarelle bezakarelle
  • 03-07-2020
  • Mathematics
contestada

The value of y when x=7

Respuesta :

ujalakhan18
ujalakhan18 ujalakhan18
  • 03-07-2020

Answer:

y = 49

Step-by-step explanation:

y ∝ x²

=> y = kx²

Where k is the constant of proportionality

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

Now,

y = ? when x = 7

The above equation becomes:

=> y = (1)(7)²

=> y = (1)(49)

=> y = 49

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