These University matrices and determinants multiple choice questions check your understanding of matrices and determinants with 10 questions for pupils aged 18-19. Each question has four answers, and the right one is explained as soon as you choose.
University matrices and determinants multiple choice questions: the 10 questions
If \(A\) is \(2\times3\) and \(B\) is \(3\times4\), then \(AB\) is
\(\det\begin{pmatrix}3&1\\2&4\end{pmatrix}=\)
\((AB)^{-1}=\)
A square matrix is invertible iff
\(\det(3A)\) for \(A\) \(2\times2\) is
Swapping two rows of a matrix
The inverse of \(\begin{pmatrix}1&2\\3&5\end{pmatrix}\) is
For an upper triangular matrix, \(\det\) is
\((A^T)^T=\)
\(\det(A+B)=\det A+\det B\) is
How to use these University matrices and determinants multiple choice questions
First, read each question carefully before you look at the four answers. Then work the answer out on paper, so that you do not simply guess. After that, read the explanation, even when you are right. If you score less than 7 out of 10, go back to the matrices and determinants lesson.
Finally, practise more with the matrices and determinants worksheet and the quiz. Moreover, all the pages of this chapter work together, so you can move between them at any time. For example, many pupils read the lesson on Monday, practise on Wednesday and test themselves on Friday.
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