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Write the equation for the line of best fit in the slope-intercept form and use it to predict the number of matches that could be won after 13 months of practice.
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Please help D:
Whoops I read tHis wrong
the line of best fit is the straight line with a constant slope.
the slope is the change in y divided by the corresponding change in x for 2 points on this line
look at the graph and find 2 points (x1, y1) and (x2,y2) that are on this line
next plug them in the formula to find the slope
the slope is the same for any 2 points
now use one of the given points as your (x1, y1) and (13, y) as the second point (x2, y2) to find the value of y when x = 13
to use slope intercept form
y = m x + b
using one of the points from the graph used to calculate the slope, substitute the values to find b . with x = 13 and your calculated m and b substitute in y = m x + b to find y when x = 13