# Matrix Dimensions

Pro Problems > Math > Number and Quantity > Vectors and Matrices > Multiplication## Matrix Dimensions

When doing matrix arithmetic, determine the dimensions of my result matrix.

(A_{m x n} · B_{n2-6 x m+1 } + C_{y x 4} ) · D_{w+3 x w} = E.

Presentation mode

Problem by Mr. Twitchell

## Solution

In order to make it feasible for teachers to use these problems in their classwork, no solutions are publicly visible, so students cannot simply look up the answers. If you would like to view the solutions to these problems, you must have a Virtual Classroom subscription.Assign this problem

Click here to assign this problem to your students.## Similar Problems

### Matrix Multiplication Equation

Find the value of w in the following matrix equation:

3

x

y

2

2

2

x

y

22

-70

30

w

### Two Variable Matrix Equation

Find x if:

3

x

2

1

x

2

m

m

### Matrix Multiplication

A =a

b

c

d

b

d

a

c

x

^{3}x

^{2}- 8x-12

5x

Find all possible values of x.

### Three by One Matrix

Find y if:

3

x

y

2x

-6

5

y

^{2}+ 4

# Featured Games on This Site

Match color, font, and letter in this strategy game

Mastermind variation, with words

# Blogs on This Site

Reviews and book lists - books we love!

The site administrator fields questions from visitors.

Like us on Facebook to get updates about new resources