The data on the graph show the foot lengths and forearm lengths for a group of people. The line of best fit for
the data is shown. Use the equation of the line of best fit to predict the length of a person's forearm if the length
of their foot is 8 inches.

y = 3x+4

step-by-step explanation:

to find the slope

slope = (y2-y1)/ (x2-x1)

    = (-8-4)/ (-4-0)

    = -12/-4

  = 3

using the slope intercept form of a line

y= mx+b

we know the slope is 3

we know the y intercept is 4 ( the point where it crosses the y axis or x=0)

y = 3x+4

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step-by-step explanation:

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mathpapa

step-by-step explanation: