Question 1 - A-Level Maths

AQA Further AS Paper 1 2019 June — Question 1 1 marks

Exam Board	AQA
Module	Further AS Paper 1 (Further AS Paper 1)
Year	2019
Session	June
Marks	1
Paper	Download PDF ↗
Mark scheme	Download PDF ↗
Topic	Matrices
Type	Matrix conformability and dimensions
Difficulty	Easy -2.5 This is a 1-mark multiple choice question testing basic recall of the definition of an identity matrix. It requires no calculation or problem-solving—students simply need to recognize that the identity matrix has 1s on the main diagonal and 0s elsewhere. This is trivial even for Further Maths students.
Spec	4.03a Matrix language: terminology and notation

Which of the following matrices is an identity matrix? Circle your answer. [1 mark] \(\begin{bmatrix} 1 & 1 \\ 1 & 1 \end{bmatrix}\) \quad \(\begin{bmatrix} 1 & 0 \\ 0 & 1 \end{bmatrix}\) \quad \(\begin{bmatrix} 0 & 1 \\ 1 & 0 \end{bmatrix}\) \quad \(\begin{bmatrix} 0 & 0 \\ 0 & 0 \end{bmatrix}\)

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Question 1:

Answer	Marks	Guidance
1	Circles correct answer	1.2

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Answer	Marks	Guidance
Total	1	0 1
Q	Marking instructions	AO

Question 1:
1 | Circles correct answer | 1.2 | B1 | 1 0
� �
Total | 1 | 0 1
Q | Marking instructions | AO | Marks | Typical solution

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Which of the following matrices is an identity matrix?

Circle your answer.
[1 mark]

$\begin{bmatrix} 1 & 1 \\ 1 & 1 \end{bmatrix}$ \quad $\begin{bmatrix} 1 & 0 \\ 0 & 1 \end{bmatrix}$ \quad $\begin{bmatrix} 0 & 1 \\ 1 & 0 \end{bmatrix}$ \quad $\begin{bmatrix} 0 & 0 \\ 0 & 0 \end{bmatrix}$

\hfill \mbox{\textit{AQA Further AS Paper 1 2019 Q1 [1]}}

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Q1 1 Q2 1 Q3 1 Q4 2 Q5 8 Q6 5 Q7 5 Q8 7 Q9 7 Q10 6 Q11 8 Q12 12 Q13 10 Q14 7