##### I need help with an algebra problem

label Algebra
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Nov 18th, 2015

In order to multiply a scalar by a matrix we just need to multiply all the elements (or numbers) of the matrix times the given scalar. So then we would have:

5    - 4      7                                                    4(5)      4(- 4)     4(7)                                            20     - 16      28

E =    3      4     - 3         -------------------->   4E =    4(3)       4(4)       4(- 3)     ----------------->  4E =   12       16     - 12

6      1       1                                                   4(6)       4(1)       4(1)                                            24        4         4

20  - 16     28

4E =     12    16    - 12

24     4       4

Nov 18th, 2015

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Nov 18th, 2015
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Nov 18th, 2015
Oct 22nd, 2017
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