Mathematics

10th -

11thgrade

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direct and inverse variation

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11 questions

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  • 1. Multiple Choice
    1 minute
    1 pt
    y varies directly as x. If y=20 when x=4, find the constant of proportionality. 
    k=4
    k=1/4
    k=1/5
    k=5
  • 2. Multiple Choice
    1 minute
    1 pt
    What kind of equation is this?
    xy=8
    Linear Equation
    Direct Variation
    Inverse Variation
    Joint Variation
  • 3. Multiple Choice
    5 minutes
    1 pt
    If y = 15 when x = 12 find y when x = 32.
    40
    -40
    5
    -5
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