myaaa13754
28.01.2020 •
Mathematics
The graph below shows a line of best fit for data collected on the number of students enrolled at a university as a function of the number of faculty employed there. which of the following is the equation of the line of best fit?
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Ответ:
x^2 + 3x + 3x + 9 = x^2 + 3x - 3
x^2 + 6x + 9 = x^2 + 3x - 3
6x + 9 = 3x - 3
3x + 9 = -3
3x = -12
x = -4
Check:
(-4+3)^2 = (-4)^2 - 3(1+4)
(-1)^2 = 16 - 3(5)
1 = 16-15
1 = 1 :)