Matrices and Systems of Equations · CAPE Integrated Mathematics

2 past-paper questions on Matrices and Systems of Equations, part of Foundations of Mathematics, from every CAPE Integrated Mathematics paper on Quelpr.

1. 2(d)6 marks· CAPE Integrated Mathematics · 2016 · Paper 2A system of linear equations models the cost of computers from three manufacturers: 2x + y + z = 1200 x + 4y + z = 1900 3x + 2z = 1600 Using Cramer's rule or otherwise, where the determinant of the coefficient matrix of…
2. 2(c)5 marks· CAPE Integrated Mathematics · 2017 · Paper 2Given that A = \begin{pmatrix} 1 & 2 & 3 \\ 0 & 4 & 5 \\ p & 0 & 0 \end{pmatrix} and \det(A) = -4, find the value of p.