# Math 8

write an algebraic expression for the nth term of this sequence.
7, 11, 16, 22,...

I know what algebraic expression is.

1. 👍
2. 👎
3. 👁
4. ℹ️
5. 🚩
1. note that the differences are 4,5,6
Now, you know that 1+2+3+...+n = n(n+1)/2
Your sequence is 7 + 4+5+6+...

see what you can do with that

1. 👍
2. 👎
3. ℹ️
4. 🚩

## Similar Questions

1. ### Calculus

The nth term of a sequence is represented by 2n^4+25n^2+32nā15 ____________________ 6n^4+2n^3ā11n^2ā2n+17. What is the limit of the the nth term as x becomes increasingly large? A)0 B)1/3 C)3 D)The limit does not exist.

Question 1 Write the first four terms of the sequence whose general term is given. an = 3n - 1 Answer 2, 3, 4, 5 2, 5, 8, 11 -2, -5, -8, -11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general

3. ### math

the sequence 4;9;x;37;...is a quadratic sequence. a) calculate x. b) determine nth term of the sequence

4. ### Urgent math

how do I do this can any body show me how? An arithmetic sequence begins 4, 9, 14, 19, 24, . . . . (a) Find the common difference d for this sequence. d = (b) Find a formula for the nth term an of the sequence. an = (c) Find the

1. ### MATHEMATICS

THE FIFTH TERM OF AN ARITHMETIC SEQUENCE IS 23 AND THE 12TH TERM IS 72.AND THEY SAY DETERMINE THE FIRST THREE TERMS OF THE SEQUENCE AND NTH TERM

2. ### Maths

The first 5 terms of an arithmetic sequence are: 7 13 19 25 31 Prove that the difference between the squares of any two terms of the sequence is always a multiple of 24 Nth term = ? Nth term squared = ? Mth term = ? Mth term

3. ### Math

Here is a number pattern: 1/2, 1/4, 1/6, 1/8, 1/10. Write an expression for the nth term

4. ### Math

Write a formula for the general term (the nth term) of the arithmetic sequence shown below. Do not use a recursion formula. Then use the formula for a'n to find a20, the 20th term of the sequence. a'1 = -13, d = -5

1. ### Boundedness of a Sequence

Question : How do we prove that the sequence (1+(1/n))^n is bounded? My thoughts on this question : We know that, to prove a sequence is bounded, we should prove that it is both bounded above and bounded below. We can see that all

2. ### Algebra 2

Write an equation for the nth term of the geometric sequence: -12,4,-4/3 I had a_n=-12(3)^(n-1) but that is not a choice on the multiple answers they have = -12(1/3)^(n-1) = 12(-1/3)^(n-1) = -12(-1/3)^(-n+1) = -12 (-1/3)^(n-1)

3. ### Math

Question 1 Write the first four terms of the sequence whose general term is given. an = 3n - 1 Answer 2, 3, 4, 5 2, 5, 8, 11 -2, -5, -8, -11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general

4. ### Pre-Calc/Trig...

The nth term of a geometric sequence is given by an = 1/4(4)^n-1. Write the first five terms of this sequence.