Arithmetic Sequence Find the Common Difference Exam Question 2 - First Term Not Given

Arithmetic Sequence Exam Question in which the common difference is unknown and we’re not given the first term, instead we're given the values of two other terms in the sequence.

We learn 2 methods for solving this IB Exam question and each method is explained in detail.
The fist method involves using the formula for the n-th term (the general term) the second is a quick and easy method (useful to save time in exams).

******** CHAPTERS / TIMESTAMPS ********

00:00 Introduction
01:09 Formula n-th term Arithmetic Sequence
01:47 Collecting Info from Question
02:45 Method 1
07:22 Method 2
12:23 Conclusion

Видео Arithmetic Sequence Find the Common Difference Exam Question 2 - First Term Not Given канала Radford Mathematics