how do you identify extraneous solutions in radical equations? = x + 2
DESCRIPTION
Let’s ReviewTRANSCRIPT
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How do you identify extraneous solutions in
radical equations?= x + 2
![Page 2: How do you identify extraneous solutions in radical equations? = x + 2](https://reader036.vdocuments.us/reader036/viewer/2022062401/5a4d1b097f8b9ab059989e17/html5/thumbnails/2.jpg)
In this lesson you will learn to determine if a radical equation has an extraneous solution by
solving
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Let’s Review
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Let’s Review5 is the
radicand
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A Common Mistake
= -2
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Core Lesson = x -7
2 = x -7 2
x-1= x2 -14x + 49
x2 -15x + 50 = 0
x = 5, x = 10
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In this lesson you have learned to check for extraneous solutions by substitution
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Guided Practice =
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Extension Activities
How would you solve the following equation? Be sure to identify any extraneous solutions.
- =3
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Extension Activities
What would be an extraneous solution for the following equation? How do you know?
= x
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Quick Quiz
Solve for x; identify any extraneous solutions
Solve for x; identify any extraneous solutions
=
- =2