
A2-Review Rationals IFA: Operations w/rationals

Flashcard
•
Mathematics
•
12th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a rational number?
Back
A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.
2.
FLASHCARD QUESTION
Front
How do you simplify a rational expression?
Back
To simplify a rational expression, factor the numerator and denominator, cancel out any common factors, and rewrite the expression.
3.
FLASHCARD QUESTION
Front
What are excluded values in rational expressions?
Back
Excluded values are values of the variable that make the denominator zero, which are not allowed in the expression.
4.
FLASHCARD QUESTION
Front
What is the process for multiplying rational expressions?
Back
To multiply rational expressions, multiply the numerators together and the denominators together, then simplify if possible.
5.
FLASHCARD QUESTION
Front
How do you divide rational expressions?
Back
To divide rational expressions, multiply by the reciprocal of the divisor and simplify the resulting expression.
6.
FLASHCARD QUESTION
Front
What is the least common denominator (LCD)?
Back
The least common denominator is the smallest multiple that is common to the denominators of two or more fractions.
7.
FLASHCARD QUESTION
Front
How do you add rational expressions?
Back
To add rational expressions, find a common denominator, rewrite each expression with the common denominator, and then combine the numerators.
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