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September 1, 2015

Homework Help: Algebra II-Please check calcs

Posted by Ray Scholz on Wednesday, January 26, 2011 at 2:27pm.

Could someone check this matrix calculation
The first matrix dimension is 1 by 3
row 1 = 1
row 2 = 7
row 3 =3
Second matrix is 1 by 3
Row 1 column one =2
row 1 column two = -5
row one column three = 5
my calculation is that it would be the dimensions of 3 by 3
Final calcs would be row 1 column 1 = 2
row one-column two = -1
row one column three = 5
row two column 1 = 14
row two column two= -7
row two column three = 35
row three column one = 6
row three column two = -3
row three column three = 15

Is that correct?

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