Simplify Rational Expressions
Flashcard
•
Mathematics
•
12th Grade
•
Hard
Standards-aligned
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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 multiply rational expressions?
Back
To multiply rational expressions, multiply the numerators together and the denominators together, then simplify if possible.
Tags
CCSS.HSA.APR.D.7
3.
FLASHCARD QUESTION
Front
What is the process for subtracting rational expressions with a common denominator?
Back
To subtract rational expressions with a common denominator, subtract the numerators and keep the common denominator.
Tags
CCSS.HSA.APR.D.7
4.
FLASHCARD QUESTION
Front
What are the steps to simplify a rational expression?
Back
1. Factor the numerator and denominator. 2. Cancel any common factors. 3. Rewrite the expression.
Tags
CCSS.HSA.APR.D.6
5.
FLASHCARD QUESTION
Front
What does it mean for a rational expression to be undefined?
Back
A rational expression is undefined when its denominator equals zero.
Tags
CCSS.HSA.APR.D.7
6.
FLASHCARD QUESTION
Front
How do you find the values that make a rational expression undefined?
Back
Set the denominator equal to zero and solve for the variable.
Tags
CCSS.HSA.APR.D.7
7.
FLASHCARD QUESTION
Front
What is the least common denominator (LCD) and why is it important?
Back
The least common denominator is the smallest multiple of the denominators of the rational expressions involved, used to combine or compare them.
Tags
CCSS.HSA.APR.D.7
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