These are the first four terms of a sequence. $$\[ \begin{array}{llll} 11 & 7 & 3 & -1 \end{array} \]$$ Write down the next term. .............................................

Mathematics
IGCSE&ALevel
CAIE
Exam No:0580_s21_qp_43 Year:2021 Question No:11(a)(i)

Answer:

\(-5\)

Knowledge points:

E2.7.1 Continue a given number sequence.
E2.7.2 Recognise patterns in sequences including the term to term rule and relationships between different sequences. (Subscript notation may be used.)
E2.7.3 Find and use the nth term of sequences. (Linear, quadratic, cubic and exponential sequences and simple combinations of these.)

Solution:

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