Adding & Subtracting Matrices

Front

What is a Matrix?

Back

A set of numbers in rows and columns.

Front

What must be true in order to ADD two matrices?

Back

The dimensions must be equal.

Front

What is the value of element M_3,4? (Think about what is in the 3rd row and 4th column)

Back

37

Front

Solve for matrix Y: -4 9
-11 9

Back

-4 9
-11 9

Front

Add the following matrices: -2 4 -9
-1 -6 -17

Back

-8 4 -9
15 6 7

Front

What is the result of adding two matrices of dimensions 2x3 and 2x3?

Back

A matrix of dimensions 2x3.

Front

Can you add a 3x2 matrix to a 2x3 matrix?

Back

No, the dimensions must be equal.

Front

What is the sum of the matrices: 1 2
3 4 and 5 6
7 8?

Back

6 8
10 12

Front

If matrix A = 1 2
3 4 and matrix B = 5 6
7 8, what is A + B?

Back

6 8
10 12

Front

What is the difference between two matrices?

Back

Subtract corresponding elements.