The population y in the year x of the counties 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. County A: −x+20y = 107 County B: −x+10y = 47 County C: y = 6 Select 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 (Blank) (Type integers or fractions.) B. The system has infinitely many solutions of the form (Blank,y,) where y is any real number. (Type integers or fractions.) C. The system has no solution.
The population y in the year x of the counties 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. County A: −x+20y = 107 County B: −x+10y = 47 County C: y = 6 Select 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 (Blank) (Type integers or fractions.) B. The system has infinitely many solutions of the form (Blank,y,) where y is any real number. (Type integers or fractions.) C. The system has no solution.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter7: Conic Sections And Quadratic Systems
Section7.4: Solving Nonlinear Systems Of Equations
Problem 34E
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The population y in the year x of the counties 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.
|
County A:
|
−x+20y
|
=
|
107
|
|---|---|---|---|
|
County B:
|
−x+10y
|
=
|
47
|
|
County C:
|
y
|
=
|
6
|
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
(Blank)
(Type integers or fractions.)
The system has infinitely many solutions of the form
(Blank,y,)
where y is any real number.(Type integers or fractions.)
The system has no solution.
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