Mathematics Applications · Unit 3 · Topic 3.2
Growth and decay in sequences
5 free questions, 5 calculator-free and 0 calculator-assumed, with worked solutions written like marking keys.
1
Calculator-freefoundation
An arithmetic sequence has first term 5 and common difference 3. Determine the 10th term. 3 marks[3]
2
Calculator-freestandard
Determine the 20th term of the arithmetic sequence 7,11,15,… 3 marks[3]
3
Calculator-freefoundation
Determine the common ratio of the geometric sequence 2,6,18,… 2 marks[2]
4
Calculator-freefoundation
Determine the common difference of the arithmetic sequence 3,10,17,… 2 marks[2]
5
Calculator-freefoundation
Determine the common ratio of the geometric sequence 81,27,9,… 2 marks[2]