2 years ago

What is the rule for the nth term of the arithmatic sequence given below:

Mathematics

1 answer:

vaieri [72.5K]2 years ago

5 0

Answer:

an = 5/2 +3/2(n -1)

Step-by-step explanation:

The common difference is ...

4 -5/2 = 3/2

The general rule is ...

an = a1 +d(n -1)

For a1 = 5/2 and d = 3/2, the rule for this sequence is ...

an = 5/2 +3/2(n -1)

___

This can be simplified to ...

an = 1 +3/2n

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