To graph : the line in the system and check whether the system is consistent or inconsistent.
Explanation of Solution
Given information :
Graph: Sketch the graph using graphing utility.
Step 1: Press WINDOW button to access the Window editor.
Step 2: Press
Step 3: Enter the expression
Step 4: Press GRAPH button to graph the function.
The graph is obtained as:
The system is consistent because the line of the given equation intersect each other and the point of intersection of both line is
To check the solution solved both the equation algebraically is obtained as:
Let,
From this equation, substitute the value of
Hence, the solution of linear equation is
Interpretation : From the above graph, it can be observed thatthe system is consistent because the line of given equation intersect each other and the solution of the system is
Chapter 7 Solutions
Precalculus with Limits: A Graphing Approach
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