AII solving systems with a graphing calc

# AII solving systems with a graphing calc - • Enter the...

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AII – Solving Systems on a Calculator Name: ________________ Let’s solve the following system using the inverse matrix method and a graphing calculator - = - + = + = + + 9 3 2 4 5 4 4 2 z y x y x z y x STEP 1: Write out the coefficient matrix, the variable matrix, and the constant matrix . STEP 2: Enter these matrices in to your calculator . ENTERING YOUR COEFFICIENT MATRIX Open the matrix menu [2 nd ] [ x -1 ] Arrow over to EDIT and select Matrix A. Press [ENTER] Enter the dimensions of your matrix (it should be a 3x3) Enter each of the elements by pressing the number you would like, then the enter key. ( Your screen should look like figure A ) QUIT [2 nd ] [MODE] ENTERING YOUR CONSTANT MATRIX Open the matrix menu [2 nd ] [ x -1 ] Arrow over to EDIT and select Matrix B. Press [ENTER]
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