Simplifying Rational Expressions

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a rational expression?
Back
A rational expression is a fraction where both the numerator and the denominator are polynomials.
2.
FLASHCARD QUESTION
Front
How do you simplify a rational expression?
Back
To simplify a rational expression, factor both the numerator and the denominator and then cancel any common factors.
3.
FLASHCARD QUESTION
Front
What is the first step in dividing rational expressions?
Back
The first step is to multiply by the reciprocal of the divisor.
4.
FLASHCARD QUESTION
Front
What does it mean to multiply rational expressions?
Back
To multiply rational expressions, multiply the numerators together and the denominators together, then simplify.
5.
FLASHCARD QUESTION
Front
What is the formula for dividing two fractions?
Back
6.
FLASHCARD QUESTION
Front
How do you find the least common denominator (LCD) of rational expressions?
Back
The LCD is found by determining the least common multiple of the denominators.
7.
FLASHCARD QUESTION
Front
What is the significance of factoring in simplifying rational expressions?
Back
Factoring allows you to identify and cancel common factors in the numerator and denominator.
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