
Graphing Rational Functions with Removable Discontinuities

Interactive Video
•
English, Mathematics
•
8th - 12th Grade
•
Hard
Standards-aligned

Ethan Morris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in simplifying a rational function?
Factoring the numerator and denominator
Multiplying the numerator and denominator
Subtracting the numerator from the denominator
Adding the numerator and denominator
Tags
CCSS.HSA.APR.D.6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a factor cancels out in both the numerator and denominator?
A vertical asymptote is created
A horizontal asymptote is created
The function becomes undefined
A removable discontinuity is created
Tags
CCSS.HSF-IF.C.7D
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the location of a hole in the graph?
Set the numerator to zero
Set the denominator to zero
Find the x-intercept
Substitute the value that makes the factor zero into the simplified function
Tags
CCSS.HSF-IF.C.7D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the horizontal asymptote of the function y = (x^2 + 2x - 3) / (x^2 - x - 2)?
y = 1
y = 0
y = x
y = -1
Tags
CCSS.HSF-IF.C.7D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the vertical asymptote of the function y = (x^2 + 2x - 3) / (x^2 - x - 2)?
x = -1
x = 1
x = 2
x = -2
Tags
CCSS.HSF-IF.C.7D
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the y-intercept of a rational function?
Set y to 0
Set x to 0
Set y to 1
Set x to 1
Tags
CCSS.HSF-IF.C.7D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the x-intercept of a rational function?
Set y to 1
Set x to 1
Set the denominator to zero
Set the numerator to zero
Tags
CCSS.HSF-IF.C.7D
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