   Chapter 11.2, Problem 41E ### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742

#### Solutions

Chapter
Section ### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742
Textbook Problem

# SKILLS37-42 Matrix Operations The matrices A , B and C are defined as follows. A = [ 0.3 1.1 2.4 0.9 − 0.1 0.4 − 0.7 0.3 − 0.5 ] B = [ 1.2 − 0.1 0 − 0.5 0.5 − 2.1 ] C = [ − 0.2 0.2 0.1 1.1 2.1 − 2.1 ] Use a graphing calculator to carry out the indicated algebraic operations, or explain why it cannot be performed. B + C

To determine

To find:

The matrix A+B using the graphing calculator.

Explanation

Given:

A=[0.31.12.40.90.10.40.70.30.5], B=[1.20.100.50.52.1], C=[0.20.20.11.12.12.1].

Approach:

• Enter a matrix using [2ND] and [x1].

• Use the right arrow key to go to the EDIT menu.

• Press ENTER to select matrix A.

• Type the size of the matrix and the values by typing each number by pressing ENTER.

• Do the same process for the other matrix.

• From the blank screen, press [2ND] and [x1] from the names menu

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