TreyshawnA TreyshawnA
  • 15-01-2021
  • Mathematics
contestada

What is the common difference in the arithmetic sequence -3, -1, 1, 3, ...?

Respuesta :

fairytinker92
fairytinker92 fairytinker92
  • 15-01-2021

Answer:

2

Step-by-step explanation:

The common difference in an arithmetic sequence is the difference between any two terms

So, you could start by doing -3 + d = -1

-3 + d = -1

-3 + d +3 = -1 +3

d = 3 -1

d = 2

Now test it with other terms

-1 + d = 1

Substitute

-1 +2 = 1

2 -1 = 1

1 = 1

It works!!!

If you want you can try it with 1 and 3

1 + d = 3

1 + 2 = 3

3 = 3

I hope this helps!!!!

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