Simplifying Rational Expressions
Flashcard
•
Mathematics
•
8th - 11th Grade
•
Practice Problem
•
Hard
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16 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
What does it mean for a rational expression to be undefined?
Back
A rational expression is undefined when its denominator equals zero.
3.
FLASHCARD QUESTION
Front
How do you find values that make a rational expression undefined?
Back
Set the denominator equal to zero and solve for the variable.
4.
FLASHCARD QUESTION
Front
Simplify the expression: (x^2 - 9)/(x + 3)
Back
x - 3
5.
FLASHCARD QUESTION
Front
What is the first step in simplifying a rational expression?
Back
Factor the numerator and the denominator if possible.
6.
FLASHCARD QUESTION
Front
Simplify the expression: (2x^2 + 8x)/(2x)
Back
x + 4
7.
FLASHCARD QUESTION
Front
What is the result of simplifying (x^2 - 4)/(x - 2)?
Back
x + 2
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