The answer to this question is 3
A matrix is diagonal if

In other words, you want non-zero elements only when the indices of the row and the column are the same: the first element of the first row must be non zero, the second element of the second row must be non-zero, and so on. All other elements must be zero.
Answer:
b
Step-by-step explanation:
Answer:
Get green green orange green green red green orange
Step-by-step explanation:
, this is payback for answering scrambled words and get the free points, idlot.
Answer:
the answer is b
Step-by-step explanation:
first you simplify the numbers by 25 and end up with x - 5 over x^2 and then you simplify by x and you get -5 over x