SOLUTION: use the given matrix to perform the operation 3R3 and select the correct option 1 -2 1 1 0 4 1 -2 5 a. 3 -2 1 5 -1 0 1 -2 0 b. 9

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: use the given matrix to perform the operation 3R3 and select the correct option 1 -2 1 1 0 4 1 -2 5 a. 3 -2 1 5 -1 0 1 -2 0 b. 9      Log On


   

Question 969526: use the given matrix to perform the operation 3R3 and select the correct option
1 -2 1
1 0 4
1 -2 5
a. 3 -2 1
5 -1 0
1 -2 0
b. 9 -6 0
3 -3 12
1 -2 5
c. 3 -6 3
1 -3 4
3 -2 0
d. 1 -2 1
1 0 4
3 -6 15
Answer by Edwin McCravy(20055) About Me  (Show Source):
You can put this solution on YOUR website!
use the given matrix to perform the operation 3R3 and select the correct option
1 -2 1
1 0 4
1 -2 5
3R3 just means to multiply the 3rd row (the bottom row), "R3", by 3:

1 -2  1
1  0  4
3 -6 15 

Edwin