SOLUTION: This is a 2 x 2 matrix. y is a scalar. simplify. Do I distribute the y to everything? Is the correct answer [[2y^2+1,5y] [3xy-2,-2y]] ---------- or [[2y+y,5y] [3x-2y,-2y]].

Algebra ->  Matrices-and-determiminant -> SOLUTION: This is a 2 x 2 matrix. y is a scalar. simplify. Do I distribute the y to everything? Is the correct answer [[2y^2+1,5y] [3xy-2,-2y]] ---------- or [[2y+y,5y] [3x-2y,-2y]].      Log On


   

Question 1127912: This is a 2 x 2 matrix. y is a scalar. simplify. Do I distribute the y to everything? Is the correct answer
[[2y^2+1,5y]
[3xy-2,-2y]]
----------
or
[[2y+y,5y]
[3x-2y,-2y]].
y[[2y+1,5],[3x-2,-2]]
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Yes, each element of the matrix is multiplied by y.
--------

|2y+1     1.5|
|3x-2      -2|
Times y:
|2y^2+y     1.5y|
|3xy-2y      -2y|
|