Sequences Flashcards
(5 cards)
1
Q
The term to term rule
A
The term to term rule of a sequence describes how to get from one term to the next.
2
Q
Position to term rule/nth term
A
Find the common difference then work out what needs to be added/subtracted to get from the common difference to the term.
3
Q
Linear/arithmetic sequences
A
A sequence of numbers that increases/decreases by a constant amount/adding or subtracting a constant.
4
Q
Quadratic sequences
A
A sequence that reveals itself as a linear sequence after being developed twice.
5
Q
Geometric sequences
A
A sequence that goes from one term to the next by constantly multiplying/dividing by the same value. The number multiplied/divided is called the common ratio.
