SOLUTION: If A is a 3 × 4 matrix, B is a 3 × 4 matrix, and C is a 3 × 4 matrix, then A + B - C = a. a 9 × 12 matrix b. a 3 × 4 matrix c. a 27 × 64 matrix d. impossible, you cannot add

Algebra ->  Matrices-and-determiminant -> SOLUTION: If A is a 3 × 4 matrix, B is a 3 × 4 matrix, and C is a 3 × 4 matrix, then A + B - C = a. a 9 × 12 matrix b. a 3 × 4 matrix c. a 27 × 64 matrix d. impossible, you cannot add       Log On


   

Question 156059: If A is a 3 × 4 matrix, B is a 3 × 4 matrix, and C is a 3 × 4 matrix, then A + B - C =
a. a 9 × 12 matrix
b. a 3 × 4 matrix
c. a 27 × 64 matrix
d. impossible, you cannot add or subtract matrices
Answer by orca(409) About Me  (Show Source):
You can put this solution on YOUR website!
Matrices can be added or subtracted only if they have the same number of rows and the same number of columns, and the resulting matrix has the same dimensions.
So choose option b.