
Adding and Subtracting Radicals
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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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 (∛).
Tags
CCSS.8.NS.A.1
2.
FLASHCARD QUESTION
Front
How do you simplify √18?
Back
√18 can be simplified to 3√2 because 18 = 9 * 2 and √9 = 3.
3.
FLASHCARD QUESTION
Front
What is the process of adding radicals with the same index?
Back
To add radicals with the same index, combine the coefficients (numbers in front) of the radicals while keeping the radical part unchanged.
4.
FLASHCARD QUESTION
Front
What is the process of subtracting radicals with the same index?
Back
To subtract radicals with the same index, subtract the coefficients of the radicals while keeping the radical part unchanged.
5.
FLASHCARD QUESTION
Front
What is the result of (6√2) - (4√18)?
Back
The result is -6√2 after simplifying 4√18 to 12√2.
6.
FLASHCARD QUESTION
Front
What is the result of (5√7) - (11√7)?
Back
The result is -6√7.
7.
FLASHCARD QUESTION
Front
How do you combine like radicals?
Back
Combine like radicals by adding or subtracting their coefficients.
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