Mr Garland writes this expression on the board 3/4÷ 2 1/2 expression he ask his students to write a word problem that could be s
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Transforming equation systems into matrix form is fairly simple:
each column represents a variable, and each line represents an equation.
So in the first column, the NUMBERS MULTIPLYING by the X variables are put, in the second one the ones multiplying by Y, etc. The constants go after the vertical line, the last column
so we have:
So in a matrix, it will be the one on the picture
each column represents a variable, and each line represents an equation.
So in the first column, the NUMBERS MULTIPLYING by the X variables are put, in the second one the ones multiplying by Y, etc. The constants go after the vertical line, the last column
so we have:
So in a matrix, it will be the one on the picture
Answer: This is what Khan Academy said the answer was
