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Chapter 4: Q47. (page 201)

Thex鈭�1key on a Ti-83 Plus is used to find the inverse of a matrix. If you get a SINGULAR MATRIX error on the screen, then the matrix has no inverse.

Use a graphing calculator to find inverse of each matrix.

-1196-5

Short Answer

Expert verified

The required inverse is

-5-9-6-11.

Step by step solution

01

Step 1. Enter the matrix in the calculator

Press the2ndbutton on the calculator after it pressx鈭�1then go to EDIT menu. By selecting the dimensions of matrix as perform the insertion of the provided matrix into the calculator.

MATRIXA3脳3鈭�1196鈭�5

02

Step 2. Calculate the inverse

Press the 2ndbutton after the appearance of home screen by pressing 2ndbutton and MODE button. Select the matrix Aand pressx鈭�1to get the inverse of the matrix.

鈭�5鈭�9鈭�6鈭�11

03

Step 3. Make the conclusion

As the obtained matrix contains the values of provided matrix so obtained inverse is correct.

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Most popular questions from this chapter

Find each product, if possible.

[4鈭�2鈭�7635]鈰�[鈭�253]

Perform the indicated matrix operation. If the matrix doesn鈥檛 exist, write impossible.

14.41鈭�2+6鈭�58

Use matricesA, B, Cand Dto find the following.

A=57鈭�163鈭�9,鈥夆赌�B=835144,鈥夆赌�C=04鈭�257鈭�1,鈥夆赌�D=6290鈭�30

25. D-B

Determine whether each matrix product is defined. If so, state the dimensions of the product.M4脳3鈰�N4脳3

Solve each equation.

x+3y3x+y=-131
See all solutions

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