# How do you write an nth term rule for #6,-30,150,-750,...# and find #a_6#?

The n^(th) term

We observe that,

So, if this pattern continue, we can say that the seq. is a Geom. Seq.,

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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- How do you find the five terms of the arithmetic sequence #a_1=5# and d=3?
- How do you write a rule for the nth term of the arithmetic sequence #a_7=21, a_13=42#?

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