Asked by Yuri
Hi! I posted this question yesterday and it was answered but I forgot to add something else to the directions.
Directions: Write the system of equations sequentially so that it will correspond to the final matrix.
Matrix: [-10 2 | 48]
[-5 -6/4 |-9]
My answer: 10x+2y=48
-5x+-6/4y=-9
Directions: Write the system of equations sequentially so that it will correspond to the final matrix.
Matrix: [-10 2 | 48]
[-5 -6/4 |-9]
My answer: 10x+2y=48
-5x+-6/4y=-9
Answers
Answered by
MathMate
The answer is basically correct, except for an error of sign in one place which I think you will spot readily.
Also, when there is multiplication following division, insert parentheses to express clearly what is needed.
For example,
6/4y should be interpreted as (6/4)y (left-to-right), but it <i>might</i> have been interpreted as 6/(4y) because of the form.
Also, when there is multiplication following division, insert parentheses to express clearly what is needed.
For example,
6/4y should be interpreted as (6/4)y (left-to-right), but it <i>might</i> have been interpreted as 6/(4y) because of the form.
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