Mathematics 1229A/B Study Guide - Midterm Guide: Augmented Matrix, Identity Matrix, Gaussian Elimination

• School: Western University
• Department: Mathematics
• Course: Mathematics 1229A/B
• Professor: Lindsey

Document Summary

Note: your answers to the problems in part a must be. Which of the following equations is/are linear in the unknowns x, y and z? (i) xy 2z = 3 (iii) 5 x 2y + z = 1 (ii) 3x 2 y + 5 x1 = 5 + x2 x3 x2 = 3x4 x1 x3 = 2x1 x4 + 6. Determine the values of a and b for which the matrix below is in row-reduced echelon form. a + b. Let b be the row-reduced echelon form of the matrix a below. A: " 1 2 3 ( b: " 1 0 0 ( c: " 1 0 1 ( d: " 1 2 0 ( e: " 1 0 3 ( D: (3 7t, 2, t, 6) e: the system has no solution. Find the solution(s) to the system of linear equations whose augmented matrix is shown here: