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Anastaziya [24]
3 years ago
6

Which expression can be simplified to find the slope of the trend line in the scatterplot?

Mathematics
2 answers:
Maslowich3 years ago
7 0

Answer:

1. \frac{24-79}{12-2}

Step-by-step explanation:

We have been given a graph of a scatter-plot and we are asked to find the correct expression than can be solved to find the slope of the trend line in the scatter-plot.

Since we know that slope of a line can be found by dividing the difference of the y-coordinates of 2 points on a line by difference of the x-coordinates of these same points.  

\text{Slope}=\frac{y_2-y_1}{x_2-x_1}  

We can see that (2,79) and (12,24) are two given points of our trend line. So let us substitute x and y-coordinates of our given points in slope formula to find the our desired expression.    

x_1=2

x_2=12

y_1=79

y_2=24

\text{Slope}=\frac{24-79}{12-2}

Therefore, the expression \text{Slope}=\frac{24-79}{12-2} can be solved to find the slope of the trend line in the scatter-plot and 1st option is the correct choice.

alexandr1967 [171]3 years ago
5 0

You use the slope formula to do


(y1-y2)/(x1-x2)


In the options you have, y1 is equal to 24 and y2 is equal to 79 so x1 has to be 12 and x2 has to be 2


So we have the answer being


(24-79)/(12-2).


The first option



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