1. ## Sequences

Write the nth term of the following sequence in terms of the first term of the sequence.
1, 8, 15, 22, . . .

Write the nth term of the following sequence in terms of the first term of the sequence.
10, 20, 40, . . .

Write the nth term of the following sequence in terms of the first term of the sequence.
2, -4, 8, -16, . . .

2. Originally Posted by pletchera
Write the nth term of the following sequence in terms of the first term of the sequence.
1, 8, 15, 22, . . .
1 + 7(n - 1)

Write the nth term of the following sequence in terms of the first term of the sequence.
10, 20, 40, . . .
10 * 2^(n - 1)

Write the nth term of the following sequence in terms of the first term of the sequence.
2, -4, 8, -16, . . .
2 * (-2)^(n - 1)
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3. 1.1+7(n-1)
2.$\displaystyle 10[2^{n - 1}]$
3.$\displaystyle 2[{-2}^{n - 1}]$

4. Originally Posted by grgrsanjay
1.1+7(n-1)
2.$\displaystyle 10[2^{n - 1}]$
3.$\displaystyle 2[{-2}^{n - 1}]$
Aren't those same as mine?
Except your #3 is wrong: the -2 should be bracketed.

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# what is the nth term of this sequence 1 8 15 22 29

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