SOLUTION: It is known that the following is true.
|x y z|
|u v w| = 13
|1 2 3|
Use properties of determinants to find the value of the determinant below.
|x y z|
|-3 -6 -9|
|u v w|
Algebra ->
Matrices-and-determiminant
-> SOLUTION: It is known that the following is true.
|x y z|
|u v w| = 13
|1 2 3|
Use properties of determinants to find the value of the determinant below.
|x y z|
|-3 -6 -9|
|u v w|
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Question 927075: It is known that the following is true.
|x y z|
|u v w| = 13
|1 2 3|
Use properties of determinants to find the value of the determinant below.
|x y z|
|-3 -6 -9|
|u v w| Answer by richard1234(7193) (Show Source):
You can put this solution on YOUR website! Switching two rows of a matrix multiplies the determinant by -1. Multiplying one row by -3 scales the determinant by -3.
