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The scatter plot shows the relationship between two variables, x and y. A line of best fit is also shown.


Which of the following equations best represents the line of best fit shown?

A) y = 2.8 + 1.7x

B) y = 2.8 - 1.7x

C) y = -2.8 + 1.7x

D) y = -2.8 - 1.7x

The scatter plot shows the relationship between two variables x and y A line of best fit is also shown Which of the following equations best represents the line class=


Answer :

Heather

Answer: A) y = 2.8 + 1.7x

Step-by-step explanation:

        We will look at the slope and y-intercept of the given line of best fit to see which equation is the best representation.

        The slope is positive. While we could find the exact slope, we see that our options are either -2.8 or 2.8. This means the slope is 2.8 because we see a positive slope in the graph, given by the increasing line.

        The y-intercept looks to be at about positive 2, but is a little bit less. Looking over the given answer options, we see that it is 1.7 as -1.7 does not apply.

        This gives us our final answer of A, y = 2.8 + 1.7x.

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