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ValentinaT Group Title

Rate of change help?

  • one year ago
  • one year ago

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  1. ValentinaT Group Title
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    I need help with part c.

    • one year ago
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  2. BluFoot Group Title
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    \[\frac{ Y2-Y1 }{ X2-X1}\] Can you find two coordinates on the line? (x1,y1) and (x2,y2)

    • one year ago
  3. ValentinaT Group Title
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    So, 25 would be Y, and 3 would be x?

    • one year ago
  4. BluFoot Group Title
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    Yeah that's one point! Another point is (0,0) right?

    • one year ago
  5. BluFoot Group Title
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    Now use those two coordinates to find the rate of change using the formula above.

    • one year ago
  6. ValentinaT Group Title
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    Yeah, so \[\frac{ 25 - 0}{ 3 - 0 } = \frac{ 25 }{ 3}\]

    • one year ago
  7. BluFoot Group Title
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    Perfect, good job :)

    • one year ago
  8. ValentinaT Group Title
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    Thanks, so is that the answer or is it 8.333...?

    • one year ago
  9. BluFoot Group Title
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    Fractions are generally more accurate than decimals, but it depends what your teacher is asking for. If in doubt, keep it as a fraction!

    • one year ago
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