AQA Further AS Paper 1 2021 June — Question 4 1 marks

Exam BoardAQA
ModuleFurther AS Paper 1 (Further AS Paper 1)
Year2021
SessionJune
Marks1
TopicInvariant lines and eigenvalues and vectors

4 The point \(( 2 , - 1 )\) is invariant under the transformation represented by the matrix \(\mathbf { N }\) Which of the following matrices could be \(\mathbf { N }\) ? Circle your answer.
[0pt] [1 mark]
\(\left[ \begin{array} { l l } 4 & 6
2 & 5 \end{array} \right]\)
\(\left[ \begin{array} { l l } 6 & 5
4 & 2 \end{array} \right]\)
\(\left[ \begin{array} { l l } 5 & 2
6 & 4 \end{array} \right]\)
\(\left[ \begin{array} { l l } 2 & 4
5 & 6 \end{array} \right]\)