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Trend lines

math 8<br>middle school math<br>scatterplots and trendlines

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Trend lines

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  1. Today is... 12th

  2. Name-___________________________ 11/12/21 WARM-UP 1-7 -6 M = = = -6 4-5 -1 y2-y2 x2-x1 M = -7 -(-19) -2-1 12 -3 = = = -4 Y-y1 = m (x-x1) Y-7 = -6(x-4) Y-7+7 = -6x+24+7 Y = -6x +31 -4 Y = mx +b Y = -6x +31

  3. y =

  4. y =

  5. About $75 About 1250 miles About $205 to $215

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