Question: For the following question, use a = 35 and b = 8. Replace the values of a and b in the augmented matrix below. -b 3|1 0 3|0 0 0]0 0 0]0 1 a 0 O 0 O 0 O Alp] % o o O = O Suppose this matrix is the row reduced echelone form of a system of 4 equations with 5 variables (x4, x5, x3, x4 and xs). a) How many free variables does this system have? Submit your answer below. + b) Write the general solution of this system of linear equations in canonical form. You must submit the complete solution in the accompanying PDF file. But for the point here, simply give the number of free variables: Q2. With your statement for Question 2 in Brightspace, please complete the statement : Re- place the calculated values (with parameters a and b) in the matrix below. Assume that the row-reduced echelon form of the augmented matrix of a system of linear equations with 5 variables (xy, x9, T3, T4, and z3) is L o o _ 0 0 0 0 0 0 0 0 0 0 O O O - Provide the solution set of this system of linear equations in canonical form