
Understanding Rational Functions

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
Standards-aligned

Olivia Brooks
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary reason for excluding certain x-values from the domain of a rational function?
They make the function positive.
They make the function negative.
They make the denominator zero.
They make the numerator zero.
Tags
CCSS.HSF-IF.C.7D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it helpful to factor the numerator and denominator of a rational function?
To find the x-intercepts.
To simplify the function and identify holes and vertical asymptotes.
To determine the y-intercept.
To make the function continuous.
Tags
CCSS.HSF-IF.C.7D
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of a hole in the graph of a rational function?
It shows where the function is undefined due to a common factor in the numerator and denominator.
It marks the y-intercept.
It represents the x-intercept.
It indicates a vertical asymptote.
Tags
CCSS.HSF-IF.C.7D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When creating a table of values, why is it important to choose values around the vertical asymptote?
To determine the x-intercept.
To simplify the function.
To find the y-intercept.
To understand the behavior of the function near the asymptote.
Tags
CCSS.HSF-IF.C.7D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What tool is used to efficiently complete the table of values for a rational function?
A compass
A protractor
A graphing calculator
A ruler
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the y-intercept of a function?
The point where the graph has a hole.
The point where the graph crosses the y-axis.
The point where the graph crosses the x-axis.
The point where the graph is undefined.
Tags
CCSS.HSF-IF.C.7D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a horizontal asymptote represent in the graph of a rational function?
The point where the function is undefined.
The point where the function has a hole.
The x-value the function approaches as x increases or decreases.
The y-value the function approaches as x increases or decreases.
Tags
CCSS.HSF-IF.C.7D
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