The world’s Largest Sharp Brain Virtual Experts Marketplace Just a click Away
Levels Tought:
Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | Apr 2017 |
| Last Sign in: | 103 Weeks Ago, 3 Days Ago |
| Questions Answered: | 4870 |
| Tutorials Posted: | 4863 |
MBA IT, Mater in Science and Technology
Devry
Jul-1996 - Jul-2000
Professor
Devry University
Mar-2010 - Oct-2016
Answer all questions and show work. Thanks in advanced!
Â
Â
Assignment: Operations with Matrices
Follow the directions to solve each problem using various operations with matrices.
1. Adding Matrices
The tables below compare the performances of three college softball players over two
seasons.
Season 1:
Home
Runs
S. James
C. Lenore
E. Myers 18
11
14 Runs
Batted
In
37
43
48 Season 2:
Home
Runs
S. James
C. Lenore
E. Myers 17
15
19 Runs
Batted
In
41
52
39 a. Create two 3 × 2 matrices based on the data and then add the matrices. b. Write 1-2 sentences to explain what the values in the resulting matrix represent. © K12 Inc. 2. Subtracting Matrices
The tables below compare enrollment of boys and girls in a community theater program
during each season throughout a year. Number
of Girls
Enrolled Number
of Boys
Enrolled
a. Fall Winter Spring Summer 23 20 25 32 Fall Winter Spring Summer 20 18 24 30 Create two 1 × 4 matrices based on the data and then subtract the matrices. b. Write 1-2 sentences to explain what the values in the resulting matrix represent. © K12 Inc. 3. Multiplying by a Scalar
The table below shows the average prices of some items available for sale in different
departments at a retail store. T-shirt
Jeans
Sweater Women’s
$12
$24
$28 Men’s
$10
$24
$30 Children’s
$8
$18
$22 a. Create a 3 × 3 matrix based on the data and then multiply the matrix by 0.75. b. Write 1-2 sentences to explain what the values in the resulting matrix represent. © K12 Inc. 4. Create your own Matrix Problem
Write a problem similar to the problems above that involves an operation with matrices. The
problem should include the following parts:
a. a table that shows quantities of various real-world items, b. an operation with matrices (either addition, subtraction, or scalar multiplication) based on
the values in the table, c. One to two sentences that explain the meaning of the resulting matrix. © K12 Inc.
-----------