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Module 1 Lesson 28: A Focus on Square Roots
Warm Up: Simplify.
Discussion
Jason solves the following problem and
says that the answer is x=4. Why is this
not true?
Extraneous solutions happen
when we solve problems
involving radicals because you
cannot take the square root of
a negative number. Any time
we remove a radical with an
even index, we should always
check for an extraneous
solution!
Rationalizing the Denominator
Assignment
In your Eureka Module, please do Module 1, Lesson 28, Problem Set
Numbers 1-20.
