== -12 2 -1 -12 1 -2 Recall: A homogeneous system of equations is of the form Az=0 (a) State the number of variables in the homogeneous system of equations, Number of Variables k = (b) Find the reduced row echelon form of A and, from this, determine the number of free variables in the solution to the system of equ Number of Free Variables m = and 3-848 -12 (c) Consider the vectors -12 Looking at the results in part (b), the vectors are (d) Solve a system of equations to determine t and t such that: 2 [3] -1 -12 +t2 -2 -12