# Questions & Answers for: Texas Instruments matrix on

## Solving matrix

Solving matrix -3x+4y+5z = 7 4x+3y+2z = 9 -5x+5y+3z = -10 Go to your matrix button and enter a "3x4" matrix. Then enter it as follows: -3 4 5 7 4 3 2 9 -5 5 3 -10 Then exit out and go to "2nd->matrix-

## How do i multiply a (2x2) matrix by a (2x1) in the ti 89

how do i multiply a (2x2) matrix by a (2x1) in the ti 89 this is for solving algebraic systems by using matrix equations, and the last step is to multiply the inverse (2x2) matrix by the (2x1) and the

## I need to enter a 3 x 3 matrix.

I need to enter a 3 x 3 matrix. It is 4 columns and 3 rows. How do I enter it in the TI-83 +? Press [2nd] [X to -1] under [MATH[ to access the (Matrix) menus. Use right arrow to highlight [EDIT] Press

## How do get the determinant from a 4 x 4 matrix

how do get the determinant from a 4 x 4 matrix To create the matrix (in case you do not know.) Press [2nd][X^-1] to access the (MATRIX) menus. Use the right arrow key to move to the tab [EDIT] Under ...

## I am using a TI

I am using a TI 84 to work on a Matrix problem. After I have pressed 2nd Quit and saved Matrix A, what key strokes do I do to find the inverse Press 2ND [MATRIX] to bring up the matrix menu. Select ...

## I get ERR: DOMAIN everytime I try to inverse a

I get ERR: DOMAIN everytime I try to inverse a matrix First, Press the "MATRX" button Next, enter a matrix into the calculator. To enter a matrix, press the arrow that points to the right two times ...

## When i try to create

when i try to create an inverse matrix it says i have invalid dim Hi Robert9004x2, If you want to examine the matrix you want to inverse and, the one that is given you trouble pressing [2nd] [MATRX]. ...

## Ti 89 titanium when multiply 2x2 matrix by 2x1

ti 89 titanium when multiply 2x2 matrix by 2x1 matrix get error diemensions Matrix multiplication is defined only when the width of the first matrix is equal to the height of the second. You can ...

## How to enter the matrix

how to enter the matrix Open the ScratchPad/calculator application then press MENU. Use arrows to highlight Matrix/Vector or just press 7 Press 1 Create then 1:Matrix Choose/Enter the dimensions. ...

## L want to know an example of a4 by 4 matrix

l want to know an example of a4 by 4 matrix determinant One example: the determinant of a 4x4 identity matrix is 1. Use the matrix editor to create a 4x4 matrix with 1s along the main diagonal ...

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