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Stolb23 [73]
3 years ago
8

Estimate a line of best fit using two points on the line

Mathematics
2 answers:
Keith_Richards [23]3 years ago
6 0

Answer:

Option A is correct.

Step-by-step explanation:

Given Two points on line are ( 2 , 8 )  &  ( 8 , 5 )

We have to find A line of best fit for the graph using these two points.

We find the equation of line using two point form,

y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)

So,

y-8=\frac{5-8}{8-2}(x-2)

y-8=\frac{-3}{6}(x-2)

y-8=\frac{-1}{2}(x-2)

y-8=\frac{-1}{2}x-\frac{-1}{2}\times2

y-8=\frac{-1}{2}x+1

y=\frac{-1}{2}x+1+8

y=\frac{-1}{2}x+9

Therefore, Option A is correct.

olga55 [171]3 years ago
3 0

Your answer is A.

y = -1/2x + 9

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