Rational Expressions and Equations

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+2
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 the numerator and the denominator are both polynomials.
2.
FLASHCARD QUESTION
Front
How do you find the least common denominator (LCD) of rational expressions?
Back
To find the LCD, factor each denominator into its prime factors and take the highest power of each factor that appears.
Tags
CCSS.HSA.APR.D.7
3.
FLASHCARD QUESTION
Front
What is the process for subtracting rational expressions?
Back
To subtract rational expressions, find a common denominator, rewrite each expression with that denominator, and then subtract the numerators.
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 canceling common factors in the numerator and denominator.
Tags
CCSS.HSA.APR.D.6
5.
FLASHCARD QUESTION
Front
What is the first step in solving a rational equation?
Back
The first step is to find a common denominator and eliminate the fractions by multiplying both sides of the equation by that denominator.
Tags
CCSS.HSA.REI.A.2
6.
FLASHCARD QUESTION
Front
What is a polynomial?
Back
A polynomial is an algebraic expression that consists of variables raised to non-negative integer powers and coefficients.
7.
FLASHCARD QUESTION
Front
What is factoring in the context of rational expressions?
Back
Factoring involves rewriting a polynomial as a product of its factors, which can help simplify rational expressions.
Tags
CCSS.HSA.APR.D.6
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