aj2869
20.10.2020 •
Mathematics
The diagram shows the graph of the function y=(x-r)²+4, where r is a constant. a) find the value of r
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Ответ:
The correct option is 2.
Step-by-step explanation:
The given data is
x y
5 36
9 64
12 72
18 96
26 141
35 189
The general form of regression line is
From the given picture of graphing calculator, it is clear that the equation of regression line is
Approx the value of a and b upto tenth.
The equation of the line of best fit is y ≈ 5.10x+9.12. Therefore the correct option is 2.