## 2.10.4 Matrices, SPM Paper 2 (Long Question)

Question 10:It is given that matrix M is a 2 × 2 matrix such that M( −2 1 1 3 )=( 1 0 0 1 ) (a) Find matrix M. (b) Write the following simultaneous linear equations as matrix equations: –2x + y = 10 x + 3y = 9 Hence, using matrix method, calculate the value of x and of … Read more