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Lesson: Solving a System of Three Equations Using Matrices

Learn how to use matrices to solve a system of three linear equations in this lesson. Learn how to present a system of equations as a matrix equation and then how to use matrix inverses to solve the system.

Worksheet: Solving Systems of Three Equations Using Matrices • 7 Questions

Q1:

Express the given set of simultaneous equations as a matrix equation.

Q2:

Express the given set of simultaneous equations as a matrix equation.

Q3:

Write down the set of simultaneous equations that could be solved using the matrix equation .

A, ,
B, ,
C, ,
D, ,
E, ,

Q4:

Solve using the inverse of a matrix.

A, ,
B, ,
C, ,
D, ,
E, ,

Q5:

Given that find the values of , , and .

A, ,
B, ,
C, ,
D, ,

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