Question 35 • Advanced Algebra: Concepts and Connections
What is the solution to the equation negative cap m plus cap k cap x is equal to cap j ? cap m is equal to the 2 by 2 matrix, row 1, column 1, negative 4 column 2, 0 row 2, column 1, 4 column 2, negative 1 cap k is equal to the 2 by 2 matrix row 1, 1 3 row 2, 4 3 cap j is equal to the 2 by 2 matrix row 1, 13 12 row 2, 23 13
Answer
A
cap x is equal to the 2 by 2 matrix row 1, 57 63 row 2, 75 117
B
cap x is equal to the 2 by 2 matrix, row 1, column 1, 2 thirds column 2, 2 thirds row 2, column 1, 5 and 4 ninths column 2, 3 and 7 ninths
C
cap x is equal to the 2 by 2 matrix, row 1, column 1, 2 and 1 third column 2, 1 and 2 thirds row 2, column 1, negative 3 and 2 thirds column 2, 7 and 2 thirds
D
cap x is equal to the 2 by 2 matrix row 1, 6 0 row 2, 1 4