MT Ch 3.5 & 3.6 Flashcards Preview

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Flashcards in MT Ch 3.5 & 3.6 Deck (12):
1

What come first in matrices

Rows then columns

2

When can't you add or subtract

If aren't the same dimensions

3

What is the scalar

The number multiplied outside of the matrix

4

Associative property of addition

(A+B)+C=A+(B+C)

5

Commutative property of addition

A+B=B+A

6

Distributive property

K(A+B)=kA+kB

7

Distributive property of subtraction

K(A-B)= kA-kB

8

In order to multiply must be...

Same inner numbers
3X2 2X2

9

Associative property of matrix multiplication

A(BC)=(AB)C

10

Left distributive property

A(B+C)=AB+AC

11

Right distributive property

(A+B)C=AC+BC

12

Associative property of scalar multiplication

K(AB)=(kA)*B=A(kB)