What is a radical in mathematics?
Radical Review

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•
Mathematics
•
9th - 10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A radical is a symbol that represents the root of a number, most commonly the square root. For example, √4 represents the square root of 4, which is 2.
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 then take out pairs of factors as whole numbers.
3.
FLASHCARD QUESTION
Front
What is the square root of 16?
Back
The square root of 16 is 4, since 4 x 4 = 16.
4.
FLASHCARD QUESTION
Front
Simplify: √(a²)
Back
The simplified form is 'a', assuming a is non-negative.
5.
FLASHCARD QUESTION
Front
What is the product of two square roots?
Back
The product of two square roots can be simplified as √a * √b = √(a*b).
6.
FLASHCARD QUESTION
Front
Simplify: √(18)
Back
√(18) = √(9*2) = 3√2.
7.
FLASHCARD QUESTION
Front
What is the sum of two radicals?
Back
The sum of two radicals can only be combined if they have the same radicand. For example, √2 + √2 = 2√2.
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