ScholarDanny ScholarDanny
  • 30-01-2017
  • Mathematics
contestada

If y varies inversely as x, and y = 4 as x = 8, find y for the x-value of 2.

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Absiinthe
Absiinthe Absiinthe
  • 30-01-2017
Because y varies inversely as x, instead of directly, you will need to multiply x by a fractional number (or divide x) in order to find y.
When x=8, y=4. Therefore, to find y, you need the "equation" y=(1/2)(x) or y=x/2.
So, when x=2, y=(1/2)(2) or y=2/2.
And so, y=1
Hope this helps!
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