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6: Find the common difference of the arithmetic sequence -40, -45, -50, -55, ...

6: Find the common difference of the arithmetic sequence -40, -45, -50, -55, ...-example-1
User BenFenner
by
3.0k points

1 Answer

23 votes
23 votes

The first term is -40 and the second is -45, in order to find the difference


-45-(-40)=-45+40=-5

Therefore, the second term runs 5 units to the left. Following that idea, the third term must be


-45+(-5)=-45-5=-50

Finally, the fourth term is founded


-50+(-5)=-50-5=55

Therefore, the increment or the common difference is -5.

User Jmfenoll
by
2.4k points
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