SOLUTION: I am completely lost with this one: . What are the dimensions of the matrices shown below? a) 2 1 4 1 3 5 -2 0 1 6 0 1

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Question 30791: I am completely lost with this one:
. What are the dimensions of the matrices shown below?
a)
2 1 4
1 3 5
-2 0 1
6 0 1
b)
1 3 5
-2 0 1
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
dimensions here just means "how many rows" and "how many columns"?

First matrix has 4 rows and 3 columns. Its dimensions are (4,3)

You do the second matrix.

jon.