anonymous
  • anonymous
Rate of change help?
Mathematics
  • Stacey Warren - Expert brainly.com
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chestercat
  • chestercat
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anonymous
  • anonymous
I need help with part c.
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anonymous
  • anonymous
\[\frac{ Y2-Y1 }{ X2-X1}\] Can you find two coordinates on the line? (x1,y1) and (x2,y2)
anonymous
  • anonymous
So, 25 would be Y, and 3 would be x?

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anonymous
  • anonymous
Yeah that's one point! Another point is (0,0) right?
anonymous
  • anonymous
Now use those two coordinates to find the rate of change using the formula above.
anonymous
  • anonymous
Yeah, so \[\frac{ 25 - 0}{ 3 - 0 } = \frac{ 25 }{ 3}\]
anonymous
  • anonymous
Perfect, good job :)
anonymous
  • anonymous
Thanks, so is that the answer or is it 8.333...?
anonymous
  • anonymous
Fractions are generally more accurate than decimals, but it depends what your teacher is asking for. If in doubt, keep it as a fraction!

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