SOLUTION: How would you answer 3B and the matrices for B is -5,12 0,3

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Question 217173: How would you answer 3B and the matrices for B is -5,12
0,3
Answer by jim_thompson5910(21685) About Me  (Show Source):
You can put this solution on YOUR website!
To compute 3B, simply multiply every entry in the matrix B by 3.

In other words, 3B=3%2A%28matrix%282%2C2%2C-5%2C12%2C0%2C3%29%29=%28matrix%282%2C2%2C3%28-5%29%2C3%2812%29%2C3%280%29%2C3%283%29%29%29=%28matrix%282%2C2%2C-15%2C36%2C0%2C9%29%29


So 3B=%28matrix%282%2C2%2C-15%2C36%2C0%2C9%29%29