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Mathematics
Geometry
Lines and Slopes
Find an equation of the line of best fit for the data. Round the slope and the $y$ -intercept to the nearest tenth, if necessary.
$x$ 0 1 2 3 4
$y$ 75 91 101 109 129
1 answer
Using a calculator or spreadsheet, we find that the equation of the line of best fit is $y = 23.2x + 77.2$. Rounding to the nearest tenth, the slope is 23.2 and the $y$-intercept is 77.2.
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