Question: 1. Solve the system of linear equations by using the Gauss-Jordan Elimination. (25 Points) x + 2y + 4z = 9 -2x - 3y +

1. Solve the system of linear equations by using the Gauss-Jordan Elimination. (25 Points) x + 2y + 4z = 9 -2x - 3y + 7z = 25 3ac + 2y + 42 = 112. For which value(s) of h is the following set of vectors are linearly dependent? (20 Points) 2 h 23. The volume of trafc for a collection of intersections is shown in the figure below. (25 Points) B .'- C--- 45 x1 55 Find all possible values for 3:1,:32, 333. (Use t as your parameter.) 1 -1 1 -1 2 -1 4. Let A = and B = -3 2 -2 2 -1 1 (a) Calculate 3A - 5B. (10 Points)1 3 2 5. Let A = Find AB. (16 Points) -3 2 J . and. 2 -1

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