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ValentinaT
 2 years ago
Rate of change help?
ValentinaT
 2 years ago
Rate of change help?

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ValentinaT
 2 years ago
Best ResponseYou've already chosen the best response.0I need help with part c.

BluFoot
 2 years ago
Best ResponseYou've already chosen the best response.1\[\frac{ Y2Y1 }{ X2X1}\] Can you find two coordinates on the line? (x1,y1) and (x2,y2)

ValentinaT
 2 years ago
Best ResponseYou've already chosen the best response.0So, 25 would be Y, and 3 would be x?

BluFoot
 2 years ago
Best ResponseYou've already chosen the best response.1Yeah that's one point! Another point is (0,0) right?

BluFoot
 2 years ago
Best ResponseYou've already chosen the best response.1Now use those two coordinates to find the rate of change using the formula above.

ValentinaT
 2 years ago
Best ResponseYou've already chosen the best response.0Yeah, so \[\frac{ 25  0}{ 3  0 } = \frac{ 25 }{ 3}\]

ValentinaT
 2 years ago
Best ResponseYou've already chosen the best response.0Thanks, so is that the answer or is it 8.333...?

BluFoot
 2 years ago
Best ResponseYou've already chosen the best response.1Fractions 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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