Jasten
03.10.2019 •
Mathematics
Use the gauss-jordan method to solve the following system of equations x+y 7 3x+2y= 17 select the correct choice below and, if necessary, fill in the answer box to complete your choice. o a. the solution is (туре an ordered pair.) o b. there are infinitely many solutions. the solution is y, where y is any real number (use integers or fractions for any numbers in the expression.) o c. the system is inconsistent
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Ответ:
The system has a unique solution
Step-by-step explanation:
We have the system of equations:
To solve this system for Gauss-Jordan method we need the augmented matrix, which is:
Next we need to transform the augmented matrix to the reduced row echelon form via elementary row operations as follows:
Row Operation 1: add -3 times the 1st row to the 2nd rowRow Operation 2: multiply the 2nd row by -1Row Operation 3: add -1 times the 2nd row to the 1st rowFrom the reduced row echelon form we have the solution of the system
Ответ:
39 over 56
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