
a.
The solution of the system of equations.
a.

Answer to Problem 8E
No.
Explanation of Solution
Given information:
The linear equations are:
Calculation:
The linear equations are:
To find whether each ordered triple is a solution of the system of equations or not, plug the ordered triple
Both sides are not equivalent. It mean the ordered triple are not satisfies the system of equation. Therefore, the ordered triple
b.
The solution of the system of equations.
b.

Answer to Problem 8E
Yes.
Explanation of Solution
Given information:
The linear equations are:
Calculation:
The linear equations are:
To find whether each ordered triple is a solution of the system of equations or not, plug the ordered triple
Plug the same ordered triple
Plug the same ordered triple
The ordered triple fits all the three equations so, all the three system of equations are equivalent.
Thus, it is a solution to the system of equations.
c.
The solution of the system of equations.
c.

Answer to Problem 8E
No.
Explanation of Solution
Given information:
The linear equations are:
Calculation:
The linear equations are:
To find whether each ordered triple is a solution of the system of equations or not, plug the ordered triple
Both sides are not equivalent. It mean the ordered triple are not satisfies the system of equation. Therefore, the ordered triple
d.
The solution of the system of equations.
d.

Answer to Problem 8E
No.
Explanation of Solution
Given information:
The linear equations are:
Calculation:
The linear equations are:
To find whether each ordered triple is a solution of the system of equations or not, plug the ordered triple
Both sides are not equivalent. It mean the ordered triple are not satisfies the system of equation. Therefore, the ordered triple
Chapter 7 Solutions
Precalculus with Limits
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