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# Matrix Multiplication

Pro Problems > Math > Number and Quantity > Vectors and Matrices > Multiplication

## Matrix Multiplication

A =
a
b
c
d
; B =
b
d
a
c
; and C =
x3
x2 - 8x
-12
5x

Find all possible values of x.

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Problem by Mr. Twitchell

## Solution

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## Similar Problems

### Matrix Dimensions

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

(Am x n · Bn2-6  x m+1 + Cy x 4 ) · Dw+3 x w = E.

### 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

Find x if:

3
x
2
1
x
2
=
m
m

Find y if:

3
x
y
2x
-6
5
=
y2 + 4

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