Question: 1. Find 7A + 6B. -1 -2 A = 0 -3 B = 5 A 5 2 a. 19 -13 C. -1 30 w -30

1. Find 7A + 6B. -1 -2 A = 0 -3 B = 5 A 5 2 a. 19 -13 C. -1 30 w -30 -45 -35 56 35 56 b. -5 -1 d. -5

1. Find 7A + 6B. -1 -2 A = 0 -3 B = 5 A 5 2 a. 19 -13 C. -1 30 w -30 -45 -35 56 35 56 b. -5 -1 d. -5 0 3 30 3 O -28 35 -28 Evaluate the determinant of the matrix. 2 3 a. 30 b. -50 c. -30 d. -40 3. A matrix contains 48 elements. Which of the following cannot equal the number of rows of the matrix? a. 18 b. 16 C. 8 d. 24 Use Cramer's Rule to solve the system. 4. 1.5x - 0.5y = -3.5 1.5x + 1.5y = -7.5 a. b. no solution C. d. - 2 N W

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