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

Questions

1. 1. Write the first five terms of this linear sequence: 1st term 5, term-to-term rule 'add 2'. Fill in the empty boxes.

   Fill the blanks with these.

   • 13
   • 10
   • 12
   • 11
   Check

2. 2. Write the first five terms of this linear sequence: 1st term 0, term-to-term rule 'add 3'. Fill in the empty boxes.

   Fill the blanks with these.

   • 12
   • 8
   • 6
   • 11
   • 5
   • 9
   Check

3. 3. Write the first five terms of this linear sequence: 1st term 11, term-to-term rule 'subtract 2'. Fill in the empty boxes.

   Fill the blanks with these.

   • 10
   • 9
   • 4
   • 8
   • 5
   • 3
   • 7
   Check

4. 4. Write the first five terms of this linear sequence: 1st term 2, term-to-term rule 'add 0.5'. Fill in the empty boxes.

   Fill the blanks with these.

   • 3.5
   • 3
   • 4.5
   • 2.05
   • 4
   • 5
   • 2.5
   Check

5. 5. Write the first five terms of this linear sequence: 1st term 210, term-to-term rule 'subtract 20'. Fill in the empty boxes.

   Fill the blanks with these.

   • 110
   • 170
   • 200
   • 150
   • 180
   • 190
   • 130
   Check

6. 6. Write the first five terms of this non-linear sequence: 1st term 4, term-to-term rule 'add 1, add 2, add 3, …'. Fill in the empty boxes.

   Fill the blanks with these.

   • 9
   • 14
   • 13
   • 10
   Check

7. 7. Write the first five terms of this non-linear sequence: 1st term 5, term-to-term rule 'add 2, add 4, add 6, …'. Fill in the empty boxes.

   Fill the blanks with these.

   • 25
   • 15
   • 23
   • 9
   • 17
   • 11
   Check

8. 8. Write the first five terms of this non-linear sequence: 1st term 20, term-to-term rule 'subtract 3, subtract 4, subtract 5, …'. Fill in the empty boxes.

   Fill the blanks with these.

   • 2
   • 13
   • 17
   • 12
   • 8
   • 3
   • 7
   Check

9. 9. Is 0, 3, 8, 15, 24, … linear or non-linear?

   • linear
   • non-linear
   Check

10. 10. Is 18, 20, 22, 24, 26, … linear or non-linear?

    • linear
    • non-linear
    Check

11. 11. Is 30, 25, 20, 15, 10, … linear or non-linear?

    • linear
    • non-linear
    Check

12. 12. Is 50, 49, 47, 44, 40, … linear or non-linear?

    • linear
    • non-linear
    Check

13. 13. Is 15, 19, 23, 27, 31, … linear or non-linear?

    • linear
    • non-linear
    Check

14. 14. Is 6, 7, 9, 12, 16, … linear or non-linear?

    • linear
    • non-linear
    Check

15. 15. Is 4 1/2, 6, 7 1/2, 9, 10 1/2, … linear or non-linear?

    • linear
    • non-linear
    Check

16. 16. Is 100, 93, 86, 79, 72, … linear or non-linear?

    • linear
    • non-linear
    Check

17. 17. Is 50, 46, 41, 35, 28, … linear or non-linear?

    • linear
    • non-linear
    Check

18. 18. Is 1, −2, −5, −8, −11, … linear or non-linear?

    • linear
    • non-linear
    Check

19. 19. First term 9, rule 'subtract 4'. What are the first four terms?

    • 9, 5, 1, −3
    • 9, 5, 1, 0
    • 9, 13, 17, 21
    • 9, 5, 1, 3
    Check

20. 20. First term 12, rule 'add 5'. What are the first four terms?

    • 12, 17, 22, 28
    • 17, 22, 27, 32
    • 12, 7, 2, −3
    • 12, 17, 22, 27
    Check