Waec Model Questions Vol1 2017 Mathematics Question 9

Practice essay / theory question 9 from the 2017 Waec Model Questions Vol1 Mathematics examination. This question covers Sequences and Series .

Waec Model Questions Vol1 2017 Mathematics Essay / Theory
Topic: Sequences and Series
Question 9 WAEC_MODEL_QUESTIONS_VOL1 • 2017 • MATHEMATICS • essay

A student is studying the behavior of a particular arithmetic sequence. The first term of the sequence is 5 and the common difference is 3. The student wants to find the 20th term of the sequence and the sum of the first 20 terms. Additionally, they are interested in determining how many terms of this sequence are less than 100. Calculate these values and provide a detailed explanation of your reasoning.

Question Parts

( a )
Calculate the 20th term of the arithmetic sequence.
( b )
Determine the sum of the first 20 terms of this arithmetic sequence.
( c )
Identify how many terms of this sequence are less than 100.

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About This Question

This is Waec Model Questions Vol1 2017 Mathematics Question 9. It is one of the essay questions from the 2017 Waec Model Questions Vol1 Mathematics examination.

The question covers Sequences and Series .

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