Posted by **Watermelon** on Saturday, December 3, 2011 at 10:23pm.

The consecutive terms of an arithmetic progression are 5-x, 8, 2x. Find the common difference of the progression.

- AP calculus -
**MathMate**, Saturday, December 3, 2011 at 10:53pm
The common difference of an A.P. is constant, therefore, we can take the difference of consecutive terms and equate the values to determine x:

2x-8 = 8 - (5-x) =>

2x - x = 8-5+8 =>

x = 11

or

common difference

=2x-8

= 14

## Answer This Question

## Related Questions

- math - The first, the third and the seventh terms of an increasing arithmetic ...
- AP Calculus - The 9th term of an arithmetic progression is 4+5p and the sum of ...
- Math (Geometric Progression) - 5 distinct positive reals form an arithmetic ...
- arithmetic - Two arithmetic progression have thd same first and last terms.the ...
- Math - 5 distinct positive reals form an arithmetic progression. The 1st, 2nd ...
- AP calculus - Given an arithmetic progression -7,-3,1,..., state three ...
- Maths - 1..The first 2 terms of a geometric progression are the same as the ...
- Math - A sequence is called an arithmetic progression of the rst order if the di...
- Math - The third, fifth and seventeenth terms of an arithmetic progression are ...
- MATHEMATIC DEPARTMENT - The second, third and ninth terms of an arithmetic ...

More Related Questions