Solve the following system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent. -x+y+ z = -3 -x+4y- 5z = -21 6x-3y-12z = 0

Intermediate Algebra
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Chapter4: Systems Of Linear Equations
Section4.1: Solve Systems Of Linear Equations With Two Variables
Problem 4.2TI: Determine whether the ordered pair is a solution to the system {x3y=83xy=4 . (a) (2,2) (b) (2,2)
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Solve the following system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
-x + y +
z = -3
-x+4y- 5z = -21
6x-3y-12z = 0
Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice.
OA. The solution is (10)
(Simplify your answers.)
z is any real number}
OB. There are infinitely many solutions. The solution can be written as {(x,y,z)lx=y
(Simplify your answers. Type expressions using z as the variable.)
y is any real number, z is any real number}
OC. There are infinitely many solutions. The solution can be written as {(x,y,z)|x=[
(Simplify your answer. Type an expression using y and z as the variables.)
D. The system is inconsistent.
Transcribed Image Text:Solve the following system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent. -x + y + z = -3 -x+4y- 5z = -21 6x-3y-12z = 0 Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. OA. The solution is (10) (Simplify your answers.) z is any real number} OB. There are infinitely many solutions. The solution can be written as {(x,y,z)lx=y (Simplify your answers. Type expressions using z as the variable.) y is any real number, z is any real number} OC. There are infinitely many solutions. The solution can be written as {(x,y,z)|x=[ (Simplify your answer. Type an expression using y and z as the variables.) D. The system is inconsistent.
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