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Burka [1]
1 year ago
6

Suppose y varies directly as x², and y = 160 when x = 4. Find y when x = 6.

Mathematics
1 answer:
labwork [276]1 year ago
7 0

<u>Finding the constant of proportionality</u> :

  • y = kx²
  • 160 = k(4)²
  • k = 10

<u>Finding y when x = 6</u> :

  • y = 10(6)²
  • y = 10(36)
  • y = 360

The value of y is <u>360</u> when x = 6.

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