ect the correct choice below and, if necessary, fill in the answer boxes to complete your choice. A. The system has exactly one solution. The solution is ,. (Type integers or fractions.) B. The system has infinitely many solutions of the form ,y, where y is any real number. (Type integers or fractions.) C.
ect the correct choice below and, if necessary, fill in the answer boxes to complete your choice. A. The system has exactly one solution. The solution is ,. (Type integers or fractions.) B. The system has infinitely many solutions of the form ,y, where y is any real number. (Type integers or fractions.) C.
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.7: Puzzle Problems
Problem 20P
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Question
The population y in the year x of the cities listed is approximated by the given equations, where x=10 corresponds to 2010 and y is in thousands. Solve this system of equations, and interpret the answer.
|
City A:
|
−32x+y
|
=
|
1854
|
|---|---|---|---|
|
City B:
|
−22x+y
|
=
|
1984
|
|
City C:
|
−73x+2y
|
=
|
3591
|
Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.
The system has exactly one solution. The solution is
,.
(Type integers or fractions.)
The system has infinitely many solutions of the form
,y,
where y is any real number.(Type integers or fractions.)
The system has no solution.
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