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Chapter 11: Q. 11 (page 713)

Verify that the values of the variables listed are solutions of the system of equations.

x-y=312x+y=3x=4,y=1;4,1

Short Answer

Expert verified

The given values are the solutions because both equations are true for the given values.

Step by step solution

01

Step 1. Given information.

The given equations are:

x-y=312x+y=3

The given solution is x=4,y=1or 4,1.

02

Step 2. Check the solution.

If both equations are true for the given values, then the values represent the solution.

Substitute x=4,y=1in the first equation.

4-1=33=3

This statement is true.

Substitute x=4,y=1in the second equation.

12(4)+(1)=32+1=33=3

This statement is true.

03

Step 3. Conclusion.

The given values are the solutions because both equations are true for the given values.

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Most popular questions from this chapter

In Problems 5鈥�24, graph each equation of the system. Then solve the system to find the points of intersection.

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In Problems 5鈥�24, graph each equation of the system. Then solve the system to find the points of intersection.

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