To solve: the system of equations and graph the lines.
Answer to Problem 1RE
The solution of the two equations using graphical method is
Explanation of Solution
Given:
Calculation:
Consider the following two equations:
Step (1):
Consider the first equation,
Express y in terms of x using the equation.
Step (2):
Consider the second equation,
Substitute
Step (3):
Substitute 2 for x obtained in Step (2) in the expression for y obtained in Step (1).
Thus, the solution of the two equations using substitution method is
Graph the two lines on a single screen.
Figure 1
The intersection point of the two lines is
Thus, the solution of the two equations using graphical method is
Conclusion:
Thus, the solution of the two equations using graphical method is
Chapter 10 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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