Math 8 · Unit 9: Sequences and functions · Cambridge Lower Secondary Maths Stage 8

Questions

1. 1. nth term 4n + 1. What is the 20th term?

   • 80
   • 84
   • 21
   • 81
   Check

2. 2. nth term 4n + 1. Is 50 in the sequence?

   • Yes
   • No
   Check

3. 3. nth term 4n + 1. Is 49 in the sequence?

   • Yes
   • No
   Check

4. 4. nth term 3n − 2. 100th term?

   • 298
   • 302
   • 300
   • 98
   Check

5. 5. nth term 7n. Which term is 63?

   • 56th
   • 63rd
   • 9th
   • 7th
   Check

6. 6. nth term 50 − 4n. 10th term?

   • 10
   • −10
   • 46
   • 90
   Check

7. 7. nth term 50 − 4n. First negative term is the …

   • 50th
   • 14th
   • 13th
   • 12th
   Check

8. 8. nth term 2n + 5. Which term is 45?

   • 25th
   • 20th
   • 19th
   • 45th
   Check

9. 9. nth term n² + 1. 5th term?

   • 25
   • 36
   • 11
   • 26
   Check

10. 10. nth term 5n + 3. Is 78 in the sequence?

    • Yes
    • No
    Check

11. 11. nth term 6n − 1. Every term is …

    • even
    • one less than a multiple of 6
    • a multiple of 6
    • a square number
    Check

12. 12. nth term 10n + 7. 1000th term?

    • 10 070
    • 17 000
    • 10 007
    • 1007
    Check

13. 13. nth term 3n + 1. Can any term be a multiple of 3?

    • Yes
    • No
    Check

14. 14. nth term ½n + 2. 8th term?

    • 6
    • 10
    • 4
    • 18
    Check

15. 15. nth term 8 − n. Which term is −2?

    • 8th
    • 6th
    • 2nd
    • 10th
    Check