What is the 8th term in this quadratic sequence? -1, 5, 15, 29

asked May 5, 2022 19.6k views

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What is the 8th term in this quadratic sequence?
-1, 5, 15, 29

by Loryn

3.3k points

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4 votes

Answer:

125

Explanation:

the nth term of the sequence is

$2 {n}^(2) - 3$

By using this formula,

8th term = 2(8^2) - 3

= 125

Gmartinsnull answered May 10, 2022

3.5k points

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