
Identifying Attributes of Rational Functions
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a rational function?
Back
A function that can be expressed as the ratio of two polynomials.
2.
FLASHCARD QUESTION
Front
What is the domain of a rational function?
Back
The set of all real numbers except where the denominator is zero.
3.
FLASHCARD QUESTION
Front
What is a vertical asymptote?
Back
A vertical line that the graph approaches but never touches, occurring where the denominator is zero.
4.
FLASHCARD QUESTION
Front
How do you find the horizontal asymptote of a rational function?
Back
By comparing the degrees of the numerator and denominator polynomials.
5.
FLASHCARD QUESTION
Front
What happens to the graph of a rational function as x approaches infinity?
Back
It approaches the horizontal asymptote.
6.
FLASHCARD QUESTION
Front
What is the y-intercept of a function?
Back
The point where the graph crosses the y-axis, found by evaluating the function at x=0.
7.
FLASHCARD QUESTION
Front
What is the x-intercept of a function?
Back
The point where the graph crosses the x-axis, found by setting the function equal to zero.
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