Asked by Kate

Plssss help mee
input Output
1 9
2 12
3 15
Is the relationship linear? Why or why not?

Answers

Answered by Reiny
did you notice:

12-9=3
15-12=3

so what is your verdict ?
Answered by Steve
linear means that the change in y is a constant multiple of the change in x. So, going from point to point, make a table of the changes.

x-change y-change
1 3
1 3

so, the change in y is always 3 times the change in x. So, yes, the relationship is linear:

y = 3x+6
Answered by Kate
Thank you so much ^^
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