To solve: the system of equations
Answer to Problem 7RE
The two solutions are
Explanation of Solution
Given:
Calculation:
Consider the following system of equations:
Solve for one variable.
Substitute:
Substitute,
Back-substitute:
Substitute the values of
Solve for
Solve for
Thus, the two solutions are
The following graph shows the intersecting points of the graphs at
Check the solution by substituting
For
For
Conclusion: The two solutions are
Chapter 10 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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