11/21 Choice Day - Adding and Subtracting Rational Expressions
Flashcard
•
Mathematics
•
10th - 11th Grade
•
Hard
Standards-aligned
Wayground Content
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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 the numerator and the denominator are both polynomials.
2.
FLASHCARD QUESTION
Front
How do you add rational expressions with unlike denominators?
Back
To add rational expressions with unlike denominators, find a common denominator, rewrite each expression with that denominator, and then combine the numerators.
Tags
CCSS.HSA.APR.D.7
3.
FLASHCARD QUESTION
Front
What is the first step in subtracting rational expressions?
Back
The first step in subtracting rational expressions is to find a common denominator, similar to adding rational expressions.
Tags
CCSS.HSA.APR.D.7
4.
FLASHCARD QUESTION
Front
What does it mean to simplify a rational expression?
Back
Simplifying a rational expression means reducing it to its lowest terms by factoring and canceling common factors in the numerator and denominator.
Tags
CCSS.HSA.APR.D.6
5.
FLASHCARD QUESTION
Front
What is the formula for adding two rational expressions?
Back
The formula for adding two rational expressions is: (a/b) + (c/d) = (ad + bc) / bd, where b and d are the denominators.
Tags
CCSS.HSA.APR.D.7
6.
FLASHCARD QUESTION
Front
What is the formula for subtracting two rational expressions?
Back
The formula for subtracting two rational expressions is: (a/b) - (c/d) = (ad - bc) / bd, where b and d are the denominators.
Tags
CCSS.HSA.APR.D.7
7.
FLASHCARD QUESTION
Front
What are the restrictions on the variables in rational expressions?
Back
The restrictions on the variables in rational expressions are that the denominators cannot be zero.
Tags
CCSS.HSA.APR.D.7
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