If the coefficient matrix is invertible, solve the system by using the inverse. If not, solve the system by the method of reduction. 4x + 5y = 6 3x + 4y = 0 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solution of the system is x = and y = (Simplify your answers.) O B. There are infinitely many solutions. The solutions are of the form x = and y = r, where r is any real number. (Simplify your answer. Type an expression using r as the variable. Do not factor.) OC. There is no solution.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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If the coefficient matrix is invertible, solve the system by using the inverse. If not, solve the system by the method of reduction.
4x + 5y = 6
3x + 4y = 0
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
O A. The solution of the system is x=
and y =
(Simplify your answers.)
B. There are infinitely many solutions. The solutions are of the form x=
and y =r, wherer is any real number.
(Simplify your answer. Type an expression using r as the variable. Do not factor.)
OC. There is no solution.
Transcribed Image Text:If the coefficient matrix is invertible, solve the system by using the inverse. If not, solve the system by the method of reduction. 4x + 5y = 6 3x + 4y = 0 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solution of the system is x= and y = (Simplify your answers.) B. There are infinitely many solutions. The solutions are of the form x= and y =r, wherer is any real number. (Simplify your answer. Type an expression using r as the variable. Do not factor.) OC. There is no solution.
Given the input-output matrix below, find the output matrix if final demand changes to 500 for water, 160 for electric power, and 900 for agriculture.
Industry
Electric
Agriculture Final Demand
240
Water
Power
Water
160
400
270
Industry:
Electric Power
80
200
360
120
Agriculture
240
100
240
600
Other
320
300
360
The output matrix is X=
(Round to two decimal places as needed.)
Transcribed Image Text:Given the input-output matrix below, find the output matrix if final demand changes to 500 for water, 160 for electric power, and 900 for agriculture. Industry Electric Agriculture Final Demand 240 Water Power Water 160 400 270 Industry: Electric Power 80 200 360 120 Agriculture 240 100 240 600 Other 320 300 360 The output matrix is X= (Round to two decimal places as needed.)
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