Radical Flashcard

Flashcard
•
Mathematics
•
12th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a radical in mathematics?
Back
A radical is a symbol used to represent the root of a number, most commonly the square root.
Tags
CCSS.8.NS.A.1
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 simplify by taking out pairs of factors.
3.
FLASHCARD QUESTION
Front
What does it mean to rationalize the denominator?
Back
Rationalizing the denominator involves eliminating any radicals in the denominator of a fraction by multiplying the numerator and denominator by a suitable radical.
4.
FLASHCARD QUESTION
Front
What is the square root of 81?
Back
The square root of 81 is 9.
Tags
CCSS.8.EE.A.2
5.
FLASHCARD QUESTION
Front
How do you add radical expressions?
Back
To add radical expressions, combine like terms, which means adding the coefficients of the radicals that have the same index and radicand.
6.
FLASHCARD QUESTION
Front
What is the product of two square roots?
Back
The product of two square roots can be simplified by multiplying the numbers under the radicals together and then taking the square root of the result.
7.
FLASHCARD QUESTION
Front
What is the difference between a perfect square and a non-perfect square?
Back
A perfect square is a number that can be expressed as the square of an integer, while a non-perfect square cannot.
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