What is a rational expression?
Operations on Rational Expressions
Flashcard
•
Mathematics
•
10th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A rational expression is a fraction where both the numerator and the denominator are polynomials.
2.
FLASHCARD QUESTION
Front
How do you divide rational expressions?
Back
To divide rational expressions, multiply the first expression by the reciprocal of the second expression.
3.
FLASHCARD QUESTION
Front
What is the reciprocal of a fraction?
Back
4.
FLASHCARD QUESTION
Front
What is the first step in adding rational expressions with the same denominator?
Back
Combine the numerators over the common denominator.
5.
FLASHCARD QUESTION
Front
What is the formula for multiplying two rational expressions?
Back
6.
FLASHCARD QUESTION
Front
How do you simplify a rational expression?
Back
Factor the numerator and denominator and then cancel any common factors.
7.
FLASHCARD QUESTION
Front
What is the least common denominator (LCD)?
Back
The least common denominator is the smallest expression that can be used as a common denominator for two or more fractions.
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