At the start of this chapter we promised you would be able to:

• Calculate the arithmetic mean and find the nth term of an arithmetic sequence accurately.
• Find the sum of terms in an arithmetic series correctly.
• Differentiate clearly between geometric and arithmetic sequences.
• Identify and distinguish a finite geometric sequence with confidence.
• Determine geometric means and the nth term of a geometric sequence accurately.
• Find the sum of finite geometric sequences using the correct methods.
• Calculate the sum of infinite geometric sequences correctly using appropriate concepts.

Tick each one you can genuinely do.

So, are you there yet?

You're competent when you can confidently do 50% or more of what this chapter promised.

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