Daily Vocabulary Coefficient matrix Matrix of constants.

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Presentation transcript:

Daily Vocabulary Coefficient matrix Matrix of constants

Matrix Equations 11.3 Day Two

Writing a matrix equation The matrix A is made up of all the coefficients in your system of equations. X is the matrix of variables in the system. And B is the constants in the system. AX=B

Example x+3y=4 3x+5y=2

Write the system of equations as a matrix equation. x-4y=8 3x+2y=6 x-4y=5 4x+y=3 2x-y=4 3x-2y=8

Use a calculator to solve.

Solve the system. x-4y=5 4x+y=3 2x-y=4 3x-2y=8

Homework Pg. 603-604 #9-11, 29-46