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forty-two

  • 3 years ago

Write a direct or inverse variation equation for each relation x/ 3 / 4 / 8 ------------ y/ 24/ 18 / 9

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  1. forty-two
    • 3 years ago
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    @ZeHanz can you help me

  2. ZeHanz
    • 3 years ago
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    If it is to be direct, the it would be: the larger x gets, the larger y gets. This is not the case, so it is an inverse relation. There is a simple formula that goes with it: xy = constant. That gives it (practically) away...

  3. forty-two
    • 3 years ago
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    I think I figured it out is the answer y = 72/x

  4. ZeHanz
    • 3 years ago
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    You have found it! The constant I've been telling you about is 72. So xy=72, or y=72/x

  5. forty-two
    • 3 years ago
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    thank you :)

  6. ZeHanz
    • 3 years ago
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    YW!

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