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Mathematics 8 Online
OpenStudy (anonymous):

https://lh5.googleusercontent.com/YehSU5BOBbTqAeO55GNAUXFfS9oLNltoqW4sPDBmHMXoQG8z9kC2clLK0E-ghoZUFfBfVw Is the following relationship linear? A. Yes. The relationship is linear B. No. The relationship is not linear. C. Cannot determine from the information given. D. None of the above. I think its B but im not sure @iGreen.

OpenStudy (anonymous):

Here's a graph of it: https://www.desmos.com/calculator/kkianphhym

OpenStudy (anonymous):

Linear lines are straight..so is it a linear relationship or not?

OpenStudy (mathmate):

To check if a relationship is linear, calculate the slope \(\large \frac{y_2-y_1}{\ x_2-x_1}\) of every point with respect to one common point (easier) or the previous point. If they are all equal, then it is a linear relationship.

OpenStudy (anonymous):

yes

OpenStudy (mathmate):

If you can count on the appearance of the graph, yes.

OpenStudy (anonymous):

its A

OpenStudy (mathmate):

You can also check mathematically by see that for every single step in x, y moves up 3 units. That is the equivalent of checking slope.

OpenStudy (anonymous):

Okay so its A ?

OpenStudy (mathmate):

\(\color{blue}{\Large\checkmark}{Yay!}\)

OpenStudy (anonymous):

THANK YOU @mathmate

OpenStudy (mathmate):

You're welcome! :)

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