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max2010maxim [7]
3 years ago
14

Solve the system by using a matrix equation 3x-5y=3 3x-4y=3

Mathematics
2 answers:
natka813 [3]3 years ago
6 0

Answer: B. (1,0)

Step-by-step explanation:

1. We will use the matrix method to solve this problem.

3 -5 3

3 -4 3

2. Apply to Row2 : Row2 - Row1.

3 -5 3

0 1 0

3. Simplify rows.

3 -5 3

0 1 0

Note: The matrix is now in row echelon form.

The steps below are for back substitution.

4. Apply to Row1 : Row1 + 5 Row2.

3 0 3

0 1 0

5. Simplify rows.

1 0 1

0 1 0

Note: The matrix is now in reduced row echelon form.

6. Therefore,

x=1

y=0

or (1,0).

babunello [35]3 years ago
3 0

Answer:

The correct answer is B. (1,0).

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