# Science:Math Exam Resources/Courses/MATH152/April 2015/Question B 1 (b)/Hint 1

Recall that the augmented matrix of a linear system ${\displaystyle A\mathbf {x} =\mathbf {b} }$ is simply the matrix ${\displaystyle \left[{\begin{array}{c|c}A&\mathbf {b} \end{array}}\right]}$.