Determine if the linear system

Mathematics

1 answer:

zubka84 [21]3 years ago

4 0

Answer:

b. The system is not in echelon form because the system is not organized in descending "stair step" pattern so that the index of the leading variables increases from the top to bottom.

Step-by-step explanation:

The given linear system has a equation which is not in echelon form. The echelon is a system which divides the data into rigid hierarchal groups. The given linear equation in not in echelon form as the leading variables are increased from top to bottom indicating descending stair step pattern.

You might be interested in

A group of 14 and 15-year-olds were polled on their favorite season. The results are shown in the frequency table.

Yakvenalex [24]

Answer:

1. 4 categories are shown in the rows.

2. 2 categories are shown in the columns.

3. The number of 14 year olds that consider winter their favorite season is 12.

4. Total number of people polled is 82.

Step-by-step explanation:

The question is to test the ability of a student to group data using a frequency table accurately, and make appropriate deductions from it. Consider the attachment for the accurate table required to answer the given questions.

If the given information is grouped as required, thus the answers to the questions are:

i. 4 categories are shown in the rows.

ii. 2 categories are shown in the columns.

iii. The number of 14 year olds that considers winter their favorite season is 12.

iv. Total number of people polled is 82.