Concept explainers
To state: A radical equation that has two extraneous solutions.
The equation is
Given information:
The statement is “Give an example of a radical equation that has two extraneous solutions.”
Explanation:
Let’s consider a radical equation
Now raise both sides of the equation to the power 4,
Now right the equation in standard form,
Factor the equation,
Apply the zero-product property and find the values of x ,
Now check the solutions by substituting them in original equation,
Substitute
Substitute
Substitute 1 for x into the equation,
Substitute
The solutions are
Chapter 3 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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