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Arlecino [84]
3 years ago
6

Estimate the line of best fit using two points on the line. (10, 32) (20, 62)

Mathematics
2 answers:
Natalija [7]3 years ago
6 0

Answer:  The correct option is

(B) y=3x+2.

Step-by-step explanation:  We are given to estimate the line of best fit using the following two points on the line.

(10, 32)  and  (20, 62).

We know that

the slope of a line passing through the points (a, b) and (c, d) is given by

m=\dfrac{d-b}{c-a}.

So, the slope of the given line will be

m=\dfrac{62-32}{20-0}=\dfrac{30}{10}=3.

Since the line passes through the point (10, 32), so its equation is given by

y-32=m(x-10)\\\\\Rightarrow y-32=3(x-10)\\\\\Rightarrow y=3x+30+32\\\\\Rightarrow y=3x+2.

Thus, the required equation of the line of best fit is y=3x+2.

Option (B) is CORRECT.

iren2701 [21]3 years ago
3 0

B. 3x+2 is the correct answer

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