Concept explainers
a.
To find:
a.
Answer to Problem 13PPS
Explanation of Solution
Given equation:
Table shows the features of different brands of shoes.
From the given table
We can write a matrix for the information.
Rows represent each brand shoe as there are fourbrands there will be four rows.
Given brands are A, B, C, D.
Columns represents features as there are four features that represents each brand.
So, number of columns wills be four.
Therefore, from given table,
Matrix of given information is
b.
To find: Which shoe we need to buy from given information and why?
b.
Answer to Problem 13PPS
Brand C.
Explanation of Solution
Given equation:
Table shows the features of different brands of shoes.
Matrix of given information is
Brand C
It was given the highest rating possible for Cost and Comfort, and a high rating for Looks, and it will last a fairly long time.
So, we need to Buy Brand C.
c.
To find: Calculating Sum of the rows or columns will provide any useful information.
c.
Answer to Problem 13PPS
Yes.
Explanation of Solution
Given equation:
Table shows the features of different brands of shoes.
Matrix of given information is
Yes, finding the sum of the rows and then calculating the average will provide an easy way to compare the data.
Chapter 3 Solutions
Glencoe Algebra 2 Student Edition C2014
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