Sequences IGCSE Core Mathematics

Continue the given sequence: 6, 8, 10...

• 12, 14, 16, 18

• 11, 12, 13, 14

• 9, 8, 7, 6

• 6, 8, 10

Continue this given sequence: 20, 15, 10...

• 25, 30, 35

• 5, 0, -5

• 20, 30, 40

• 0, 5, 10

State the difference between each of the following terms: 13, 16, 19, 22...

• +3

• -3

• 4

• 6

State the difference between each of the following terms: 60, 56, 52, 48...

• +5

• +4

• -4

• -5

Find the nth term of the following sequence: 2, 5, 8, 11....

• 3n - 2

• 3n

• 3n -1

• 2n + 3

State the nth term rule of the following sequence: 12, 10, 8...

• 2n

• 2n + 6

• -2n + 10

• -2n + 14

State the nth term of the following quadratic sequence: 1, 4, 9...

• n squared

• n squared + 2

• n squared + 1

• n squared - 1

State the nth term of the following cubic sequence: 2, 9, 28...

• n cubed + 1

• n cubed

• n cubed - 1

• n cubed + 3

Is this a quadratic, cubic or linear sequence? 1, 8, 27....

• cubic

• quadratic

• linear

• neither

State whether the sequence is linear, quadratic or cubic: 5, 10, 15, 20, 25...

• Linear

• Quadratic

• Cubic

• Neither