Posted by **edwin** on Wednesday, May 21, 2014 at 12:06pm.

The 3rd term in an arithmetic sequence is 12, the 7th term is 24,

a) How many common differences are there between a_3 and a_7?

b) What is the common difference of the sequence?

c) What is the first term in the sequence? a_1

d) What is the expression for this arithmetic sequence?

## Answer this Question

## Related Questions

- Algebra - True or False 1. – 5, – 5, – 5, – 5, – 5, … is an arithmetic sequence...
- Math - A sequence is formed by adding together the corresponding terms of a ...
- math - what are the similarities and differences between an arithmetic sequence ...
- math - find the rule for the Nth term of the arithmetic sequence. 11/2, 25/6, 17...
- Math: Arithmetic Sequence. - the 3rd of an Arithmetic sequence is 8 of the 16th ...
- Mathematics : Arithmetic Sequence - The 5th term and the 8th term of an ...
- Arithmetic Sequence - Given the third term of an arithmetic sequence less than ...
- arithmetic sequence - the 40th term of an arithmetic sequence is equal to the ...
- Maths - 1..The first 2 terms of a geometric progression are the same as the ...
- Sequence - Find the common difference and a formula formula for the nth term of ...

More Related Questions