In a certain sequence, the initial term is -25. Each subsequent term increases by 10 compared to the previous term. What is the value of the 100th term in this sequence?

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Correct answer marked below

965

Correct

980

985

990

995

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Explanation

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Official Explanation

Official

The first term in the sequence is -25. The common difference between consecutive terms is 10. To find the 100th term, we use the formula for the nth term of an arithmetic progression:

T_n = a_1 + (n-1) * d

.…

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Comments

DukeSep 19, 2024

still struggling with these types of problems

MotolaniJan 31, 2025

thanks for taking time to upload it!

What this question tests

What it tests

Your ability to spot and extend arithmetic and geometric sequences and work with recursive definitions.

Common trap

Off-by-one errors in indexing (a₀ vs a₁) or confusing an arithmetic difference with a geometric ratio.