Geometric Sequences
These are sequences where you go from term to term by multiplying by a common ratio. The sequence in the image 1, 2 , 4 , 8 has a common ratio of 2 since we multiply the previous term by 2. There are formulae in the formula booklet to help you with this topic, but it is better not to be too reliant on them. This topic is linked to exponential growth and compound interest. Exam questions often use other areas of the...