Science:Math Exam Resources/Courses/MATH152/April 2016/Question A 09/Statement

For questions A9 and A10 below, consider the homogeneous system of equations represented by this augmented matrix in reduced row echelon form:

${\begin{bmatrix}1&3&0&0&0&\vline &0\\0&0&0&1&0&\vline &0\\0&0&0&0&1&\vline &0\\0&0&0&0&0&\vline &0\end{bmatrix}}.$

(9) What is the rank of the augmented matrix above?