Setting Up a Matrix
A local shop sells three types of pies. This is how many they sold in 4 days.
This data be converted to the 3 x 4 matrix:
Dimensions of a Matrix
More examples of matrices:
Types of matrices:
Size of a matrix (row x column)
What are the dimensions of the matrix?
The matrix is
What is the order of the matrix?
The matrix is
What are the dimensions of the matrix?
The matrix is
What is the order of the matrix?
The matrix is
Adding and Subtracting Matrices
Perform the indicated operation to find the value of a, b, c and d.
a =
b =
c =
d =
Perform the indicated operation to find the value of a, b, c and d.
a =
b =
c =
d =
Scalar Multiplication and Properties of Matrices
Perform the indicated operation to find the value of a, b, c and d.
a =
b =
c =
d =
Perform the indicated operation to find the value of a, b, c and d.
a =
b =
c =
d =
Perform the indicated operation to find the value of a, b, c and d.
a =
b =
c =
d =
Perform the indicated operation to find the value of a, b, c and d.
a =
b =
c =
d =
Perform the indicated operation to find the value of a, b, c and d.
Hint: PEMDAS, add the matrices in ( ) first, then multiply.
a =
b =
c =
d =
Solve the matrix equation for a, b, c and d.
a =
b =
c =
d =
Solve the matrix equation for a, b, c and d.
a =
b =
c =
d =
Solve the matrix equation for a, b, c and d.
a =
b =
c =
d =
How are matrices used in the real world?
Explore:
Open a different window. Perform a Google IMAGE search for "application of matrices" and attach an image or tell me about an interesting application for matrices.
What are the dimensions of the matrix?
The matrix is
Select the matrix addition (or subtraction) problems that can be performed.