Use a matrix to solve -4x - 4y + 3z = -21-16x - 15y + 13z = 0-8x - 7y + 7z = -12A) 74z, -z, z B) -74z, -z, z C) 74z, -z, 0 D) No solution
Use a matrix to solve -4x - 4y + 3z = -21-16x - 15y + 13z = 0-8x - 7y + 7z = -12A) 74z, -z, z B) -74z, -z, z C) 74z, -z, 0 D) No solution
Chapter7: Systems Of Equations And Inequalities
Section7.6: Solving Systems With Gaussian Elimination
Problem 5SE: Can a matrix that has 0 entries for an entire row have one solution? Explain why or why not.
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Question
Use a matrix to solve
-4x - 4y + 3z = -21
-16x - 15y + 13z = 0
-8x - 7y + 7z = -12
A) 7
4
z, -z, z B) -
7
4
z, -z, z C) 7
4
z, -z, 0 D) No solution
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