Connect the ideas
Define the initial index and value.
Arithmetic terms have constant differences; geometric terms have constant ratios.
Count terms before summing.
Infinite geometric sums require when the first term is nonzero.
Payment timing changes a recurrence.
Induction requires a true base case and a valid implication.
Practice tests
Complete each paper and show your working.
Sequences and series — Practice test 1
10 questions · 53 marks · 70 minutes · Scientific calculator
Sequences and series — Practice test 2
10 questions · 56 marks · 70 minutes · Scientific calculator
Sequences and series — Practice test 3
10 questions · 53 marks · 70 minutes · Scientific calculator
Sequences and series — Practice test 4
10 questions · 55 marks · 70 minutes · Scientific calculator
Sequences and series — Practice test 5
10 questions · 62 marks · 75 minutes · Scientific calculator
