Test: MidTerm Exam MML Question 15 of 20 This test: 20 point(s) possible This question: 1 point(s) possible Question list K Find an LU factorization of the matrix A (with L unit lower triangular). 4 4 1 = / 16 - 30 12 O Question 10 - 1 4 0 Question 11 U = 1 1 (Simplify your answer ) Question 12 L = 0 (Simplify your answer) estion 13 on 14 15 Q . Search u SThis test: 20 point(s) possible Test: MidTerm Exam MML Question 16 of 20 This question: 1 point(s) possible Find the 3 X3 matrix that produces the described composite 2D transformation below, using homogeneous coordinates Question list K Rotate points 45, and then reflect through the x-axis. Question 10 The 3 x3 matrix is (Type an exact answer, using radicals as needed.) estion 11 tion 12 1 13 O Q Search G C8