[login]

• Home
• News
• Calendar
• Key stage 3
  • Year 7
  • Year 8
  • Year 9
• Key stage 4
• Key stage 5
• Practice
• Games
• My page

Quick links

• KS3 Notes
• Help sheets
• Dos and don'ts

External links

• BBC Maths File
• Easymaths
• Waldomaths
• MyMaths

Quadratic sequences

Stuck? Read the notes

	Answers
1
2
3
4
5
6
7
8

Find the given term of each of these sequences.

1. The 3rd term of the sequence with general term n^{2} + 1
2. The 5th term of the sequence with general term n^{2} -6
3. The 2nd term of the sequence with general term 3n^{2}
4. The 4th term of the sequence with general term 80 -n^{2}

Work out an expression for the general term of these sequences.

5. 4, 7, 12, 19, 28, 39...
6. -3, 0, 5, 12, 21, 32...
7. 2, 8, 18, 32, 50, 72...
8. 79, 76, 71, 64, 55, 44...