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A data set consists of the following data points: (2, 12), (3, 7), (5, 4) The slope of the best-fit line is -2.5. Find the y-intercept of this line. A. 14 B. 13 C. 15 D. 16
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A data set consists of the following data points:

(2, 12), (3, 7), (5, 4)

The slope of the best-fit line is -2.5. Find the y-intercept of this line.

A. 14
B. 13
C. 15
D. 16

User Moody
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1 Answer

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Since the slope of the line is already given, by plotting the three points and drawing a best fit line using the given slope and extending the line to hit the x-axis, the y-intercept can be determined. Line-fitting tools can also be used; common scientific calculators have that feature.
So, the answer is D. 16
User Waxim Corp
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