In Exercises 5–14, the matrix associated with the solution to a system of linear equations in x, y, and z is given. Write the solution to the system, if it exists. 7. [ 1 1 − 1 4 1 − 2 − 1 − 2 2 2 1 11 ]
In Exercises 5–14, the matrix associated with the solution to a system of linear equations in x, y, and z is given. Write the solution to the system, if it exists. 7. [ 1 1 − 1 4 1 − 2 − 1 − 2 2 2 1 11 ]
Solution Summary: The author explains that the matrix associated with the solution to a system of equations is left[cc
In Exercises 5–14, the matrix associated with the solution to a system of linear equations in x, y, and z is given. Write the solution to the system, if it exists.
In Exercises 5–8, use the definition of Ax to write the matrix equation as a
vector equation, or vice versa.
5.
5 1 8 4
-2 -7 3 −5
5
-1
3
-2
=
-8
-
[18]
16
In Exercises 5–8, use the definition of to write the matrix equation as a vector equation, or vice versa.
In Exercises 19–20, solve the matrix equation for X.
1
-1
1
-1
5
7
8.
19. 2
3
0| X =
4
-3
1
1
3
5
-7
2
1
-
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