_4, 10, 16._ How To Get The First And The Last Terms In This Sequence

_4, 10, 16._ how to get the first and the last terms in this sequence

Answer:

-2 and 22

Step-by-step explanation:

Given the formula for arithmetic series an = a1 + (n-1) d

We can substitute the given values to the formula to find a1.

In this example, I would be using the second term which is 4.

4 = a1 + (2-1) (6)

note: d=6, since when we add 6 to the numbers, we get the given sequence

4= a1 + 6

4-6 = a1

-2 = a1

Given a1, we can now find for the last term

a5= -2 + (5-1) (6)

a5= -2 + 24

a5= 22


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