Find the sequence and the nth term Worksheets, Part 2

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Objective: I know how to find the pattern and the nth term of a sequence.

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

For each of the following sequences:
(Do NOT have any spaces in your answer.
Use n^2 for n squared and n^3 for n cubed)

a) 2, 5, 10, 17, 26, 37, …
Give the next two terms
Give an expression for the nth term
Find the 20th term

b) 8, 11, 16, 23, 32, …
Give the next two terms
Give an expression for the nth term
Find the 20th term

c) 0, 3, 8, 15, 24, 35, …
Give the next two terms
Give an expression for the nth term
Find the 20th term

d) 1, 8, 27, 64, 125, …
Give the next two terms
Give an expression for the nth term
Find the 20th term

e) 2, 9, 28, 65, 126, …
Give the next two terms
Give an expression for the nth term
Find the 20th term

f) 11, 18, 37, 74, 135, …
Give the next two terms
Give an expression for the nth term
Find the 20th term

g) -2, 5, 24, 61, 122, …
Give the next two terms
Give an expression for the nth term
Find the 20th term

h) 2, 6, 12, 20, 30, 42, …
Give the next two terms
Give an expression for the nth term
Find the 20th term

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