
The system of equations
is a system of two equations in the two variables __________ and __________. To determine whether (5, −1) is a solution of this system, we check whether x = 5 and y = −1 satisfy each __________ in the system. Which of the following are solutions of this system?

To fill: The system of equations
Answer to Problem 1E
The system of equations
Explanation of Solution
The system of equations are,
The unknown values represented by a letter are known as variable. In the given system of equations x and y are unknown values.
Thus, in a system of two equations two variables are x and y.
Substitute 5 for x and
The point
Substitute 5 for x and
The point
The point
Thus, a solution has to satisfy each equation in the system.
Thus, it can noticed that
Substitute
The point
Substitute
The point
The point
Substitute 2 for x and 1 for y in
The point
Substitute 2 for x and 1 for y in
The point
Thus, the point
Chapter 10 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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