Operations with Rational Expressions
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is the first step when adding and subtracting rational expressions?
Back
Determine a Least Common Denominator.
Tags
CCSS.HSA.APR.D.7
2.
FLASHCARD QUESTION
Front
What should you do when dividing rational expressions?
Back
Change the operator to multiplication and reciprocate the second fraction.
Tags
CCSS.HSA.APR.D.6
3.
FLASHCARD QUESTION
Front
When adding and subtracting rational expressions, should you combine like terms in the denominator?
Back
Never.
Tags
CCSS.HSA.APR.D.7
4.
FLASHCARD QUESTION
Front
What is a rational expression?
Back
A fraction where the numerator and the denominator are polynomials.
Tags
CCSS.HSA.APR.D.7
5.
FLASHCARD QUESTION
Front
What is the Least Common Denominator (LCD)?
Back
The smallest expression that can be a common denominator for two or more rational expressions.
Tags
CCSS.HSA.APR.D.6
6.
FLASHCARD QUESTION
Front
How do you find the LCD of two rational expressions?
Back
Factor the denominators and take the highest power of each factor.
Tags
CCSS.HSA.APR.D.7
7.
FLASHCARD QUESTION
Front
What is the result of multiplying two rational expressions?
Back
Multiply the numerators together and the denominators together.
Tags
CCSS.HSA.APR.D.7
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