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Use linear regression to find a function that fits the following points. (-2,-1), (3,9).​

User Mahase
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1 Answer

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Explanation:


(y - y_1)/(y_2 - y_1) = (x - x_1)/(x_2 - x_1)


(y - ( - 1))/(9 - ( - 1)) = (x - ( - 2))/(3 - ( - 2))


\frac{y + 1}{ \cancel{10}} = \frac{x + 2}{ \cancel{5} }


(y + 1)/(2) = (x + 2)/(1)


1.(y + 1) = 2.(x + 2)


y + 1 = 2x + 4


y = 2x + 4 - 1


y = 2x + 3

User Caheem
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