To show:the given equations have a common solution if its slopes are different.
Explanation of Solution
Given information:
The slope of the two lines
The equations of the two lines
Proof:
It is given that the equations of two lines are
Substitute
Divides on both sides of the equation by
Thus, the value of
Substitute
Thus, the value of
Since the slope of the lines are different
Thus, the given equations have solution
Hence, the equations
Chapter 3 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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