Write the equation of the line of best fit using the slope-intercept formula y = mx + b. Show all your work, including the point
s used to determine the slope and how the equation was determined.
1 answer:
The equation of the line of best fit is y = 1.7x - 58
<h3>How to determine the equation?</h3>We start by drawing the line of best fit (see attachment)
From the attached graph, we have the following points
(x, y) = (70, 75) and (61, 60)
The slope (m) is:
m = (y2 - y1)/(x2 - x1)
This gives
m = (60 - 75)/(61 - 70)
Evaluate
m = 1.7
The line of best fit is then calculated as:
y = m(x - x1) + y1
This gives
y = 1.7(x - 70) + 61
This gives
y = 1.7x - 119 + 61
Evaluate
y = 1.7x - 58
Hence, the equation of the line of best fit is y = 1.7x - 58
Read more about line of best fit at:
#SPJ1
You might be interested in