Question: Intro to Linear Algebra Decide whether or not the matrices are inverses of each other. 6 -5 [-3 5 l and 6 _5 -3 5

Intro to Linear Algebra

Decide whether or not the matrices are inverses of each other. 6 -5 [-3 5 l and 6 _5 -3 5 Select one: 0 A. No 0 B. Yes Solve the system by using the inverse of the coefficient matrix. 4X1 + 2X2 = '4 2X1 = '8 Select one: 0 A. No solution 0 B. (-4, -6) O c. (5, -4) O D. (-4, 6) Determine the rank of the matrix. 1-2 2-57 2-4 6-6 -3 6-6 15 Select one: O A. 3 O B. 2 O C. 4 O D. 1Solve using Cramer's rule. 3x1 - 2X2 = 6 3x1 + 2x2 = 42 Select one: O A. (8, 9) O B. (-9, 8) O C. (9, 8) O D. (-8, -9)Compute the determinant of the matrix by cofactor expansion. Select one: 0 A. 42 O B. -42 O C. 14 O D. 84 Compute the determinant of the matrix by cofactor expansion. 2 1 -31 -1 6 -4 3 5 4 -2 1 3 Select one: O A. 60 O B. - 1 O C. 1 O D. OSolve using Cramer's rule. 2x1 + 3x2 = 22 2x1 - 2x2 = 12 Select one: O A. (8, 2) O B. (-2, 8) O C. (-8, -2) O D. (2, 8)

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