Adding and Subtracting Rational Expressions

Flashcard
•
Mathematics
•
10th 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.
Tags
CCSS.HSA.APR.D.7
2.
FLASHCARD QUESTION
Front
How do you find the least common denominator (LCD) of rational expressions?
Back
To find the LCD, factor each denominator and take the highest power of each factor that appears.
Tags
CCSS.HSA.APR.D.7
3.
FLASHCARD QUESTION
Front
What is the first step in adding or subtracting rational expressions?
Back
The first step is to find a common denominator for the expressions.
Tags
CCSS.HSA.APR.D.7
4.
FLASHCARD QUESTION
Front
Simplify the expression: (12n^2 + 28n + 4) / (2n-5)(n+2)
Back
(12n^2 - 28n + 4) / (2n-5)(n+2) is the simplified form.
Tags
CCSS.HSA.APR.D.6
5.
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.
Tags
CCSS.HSA.APR.D.6
6.
FLASHCARD QUESTION
Front
Find the LCD of the fractions: 1/(x+2) and 1/(x-2).
Back
The LCD is (x+2)(x-2).
Tags
CCSS.HSA.APR.D.7
7.
FLASHCARD QUESTION
Front
What is the process of adding rational expressions?
Back
To add rational expressions, convert them to have a common denominator, then combine the numerators.
Tags
CCSS.HSA.APR.D.7
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