Solving Radical Equations

Flashcard
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a radical equation?
Back
A radical equation is an equation in which a variable is contained within a radical (square root, cube root, etc.).
Tags
CCSS.HSA.REI.A.2
2.
FLASHCARD QUESTION
Front
How do you isolate a radical in an equation?
Back
To isolate a radical, you can move all other terms to the opposite side of the equation, leaving the radical alone on one side.
Tags
CCSS.HSA.REI.A.2
3.
FLASHCARD QUESTION
Front
Back
Multiply both sides by 4 to eliminate the fraction.
Tags
CCSS.HSA.REI.A.2
4.
FLASHCARD QUESTION
Front
Back
x = 4.
Tags
CCSS.HSA.REI.A.2
5.
FLASHCARD QUESTION
Front
What is the principle of squaring both sides of an equation?
Back
Squaring both sides of an equation can eliminate the radical, but it may introduce extraneous solutions.
Tags
CCSS.HSA.REI.A.2
6.
FLASHCARD QUESTION
Front
Back
x = 13/2.
Tags
CCSS.HSA.REI.A.2
7.
FLASHCARD QUESTION
Front
What should you do after squaring both sides of a radical equation?
Back
Check for extraneous solutions by substituting back into the original equation.
Tags
CCSS.HSA.REI.A.2
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