Foundation November 2017 Paper 1 Q17
17 A sequence has three terms.
The term-to-term rule for the sequence is
multiply by 8 and then add 11
(a) The first term of the sequence is –1
Work out the third term. [2 marks]
(b) The order of the three terms is reversed to make a new sequence.
Work out the term-to-term rule for this sequence. [1 mark]
| Answer | Mark | Comments |
|---|---|---|
| 3 or 35 or 291 seen or \(8 \times\) their \(3 + 11\) | M1 | |
| 35 chosen | A1 |
| Answer | Mark | Comments |
|---|---|---|
| Subtract 11 and divide by 8 | B1 | accept \(-\) or \(\div\) for words subtract and divide but not / for divide |
Additional guidance
| Do not accept use of algebra eg \((x - 11)/8\) | B0 |