Question

1.Consider an Arithmetic sequence with first term 7 and common difference 4
a) Write the sequence?
b) Is 102 is a term in this sequence?
2) Consider an arithmetic sequence with common difference 6 and 7 th term 52.
a)Find the first term of the arithmetic sequence.
b)Write the sequence ?
3)The n th term of Arithmetic sequence is Xn=5n-2
a) Find its first term.
b Write the sequence ?
Answer any four questions
4x3=12
4)Consider an arithmetic sequence whose 7 th term is 34 and 15 th term is 66.
(a) Find the common difference.
(b) Find the 20 th term.
5) Consider the arithmetic sequence 5,11.17.....
a) write the next two terms of the arithmetic sequence.
b) can 126 will be the difference between any two terms of the sequence?
Justify
6) Consider an arithmetic sequence whose 8 th term is 56 and common difference 6
a) find the sum of its 3 rd term and 13 th term.
b) Find the sum of its first 15 terms.
7)Considering an arithmetic sequence 17. 31, 45
7 7. 7.
a) Write the algebraic expression of the sequence.
b) Is there any counting number in this sequence? Justify your answer?
8) Find the total three digit numbers which leaves remainder 5 on dividing by 7?
Answer any one question
9) The expression for calculating the sum of first n terms of the Arithmetic sequence
is 3n²+5n.
a) Find the first term of the sequence ?
b) write the sequence ?​

Answer 1

Answer:

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