Lesson 1: Sequences
Defining a Sequence and a Term
Worked examples determining a sequence, given the formula
Worked examples for generating a formula for the nth term
Examples for finding the nth term
Recursive Sequences
Defining a recursive sequence
Solutions to finding recursive sequences
Lesson 2: Arithmetic Sequence
Defining an Arithmetic Sequence
General formula for an arithmetic sequence:
Terms explained
Examples solving various types of arithmetic sequences questions:
Solving for the next n terms, given the first set of terms
Solving for the first n terms, given arithmetic sequence
Solving for the formula for the nth term
Solving for the number of terms in an arithmetic sequence
Solving for the first term and formula for the nth term
Lesson 3: Geometric Sequences
Defining a Geometric Sequence
General formula
Explanation of terms
Examples of solutions to geometric sequences questions
Solving for Common Ratio and next 3 terms
Solving for first 4 terms, given formula for the nth term
Solving for tη
Lesson 4: Arithmetic Series
Defining arithmetic series
Differentiating between arithmetic sequences & arithmetic series
General formula for arithmetic series
Explanation of terms
Examples of solutions to arithmetic series questions:
Solving for the sum of the first n terms
Solving for the sum of an arithmetic series
Lesson 5: Geometric Series
Defining geometric series
Differentiating between geometric sequences & geometric series
General formula for geometric series
Explanation of terms
Examples of solutions to geometric series questions:
Solving for the sum of the first n terms
Solving for the sum of a geometric series
Lesson 6: Binomial Expansion
Pascal’s triangle and its interpretation
Relationship of a cubic binomial with Pascal’s Triangle
General relationship of (x + y)n to Pascal's Triangle
4 properties of a Binomial Expansion of the form (x+y)n
Examples of expanding binomials using Pascal’s Triangle
Here are a few sample questions for you to practice. The answers are given at the end.