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Simplifying, Adding, and Subtracting Radicals
Flashcard
•
Mathematics
•
8th - 10th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview
15 questions
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1.
FLASHCARD QUESTION
Front
What is a radical in mathematics?
Back
A radical is an expression that includes a root, such as a square root (√) or cube root (∛).
2.
FLASHCARD QUESTION
Front
How do you simplify a radical expression?
Back
To simplify a radical expression, factor the number under the radical into its prime factors and look for pairs of factors to take out of the radical.
3.
FLASHCARD QUESTION
Front
What is the square root of 16?
Back
4
4.
FLASHCARD QUESTION
Front
What is the square root of a negative number?
Back
The square root of a negative number is an imaginary number, represented as 'i' times the square root of the positive part.
5.
FLASHCARD QUESTION
Front
Simplify: √(a²)
Back
a (for a ≥ 0)
6.
FLASHCARD QUESTION
Front
What does it mean to add or subtract radicals?
Back
To add or subtract radicals, combine like terms, which means only adding or subtracting radicals with the same index and radicand.
7.
FLASHCARD QUESTION
Front
Simplify: 3√2 + 5√2
Back
8√2
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