Dennis drew the line of best fit on the scatter plot shown below: A graph is shown with scale along x axis from 0 to 10 at increments of 1 and scale along y axis from 0 to 15 at increments of 1. The ordered pairs 0, 15 and 0.5, 14 and 1, 13 and 2, 12 and 3, 11 and 4, 9 and 5, 8 and 6, 6 and 7, 4.5 and 8, 2.3 and 9, 2 and 9.8, 0.5 are shown on the graph. A straight line joins the ordered pairs 0, 15 and 10, 0. What is the approximate equation of this line of best fit in slope-intercept form

Question

Leanna Eaton

5 April, 14:55

+4

Answers (1)

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Quentin Lewis · Answer 1

Hello

y-intercept of line is 14

slope of line = (0 - 14) / (10 - 0) = - 14/10 = - 7/5

Required equation is y = - 7/5 x + 14

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