
Domain of Functions and Radicals

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

Thomas White
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the domain of a function?
The set of all possible w-values
The set of all possible y-values
The set of all possible x-values
The set of all possible z-values
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a rule for finding the domain of a function?
You can take the square root of a negative number
You cannot divide by any number
You can divide by zero
You cannot take the square root of a negative number
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the domain of a polynomial function?
All negative numbers
All positive numbers
All real numbers
All integers
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the domain of a rational function?
Set the entire function equal to zero
Set the function greater than zero
Set the denominator not equal to zero
Set the numerator equal to zero
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the domain of a rational function with a denominator of x - 7?
All real numbers except 7
All real numbers except -7
All real numbers
All real numbers except 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a radical function with an even index, what must be true for the expression under the radical?
It must be less than zero
It must be greater than zero
It must be greater than or equal to zero
It must be equal to zero
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the domain of a radical function with an odd index?
All positive numbers
All negative numbers
All real numbers
All integers
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a radical appears in the numerator of a fraction, what must be true for the function to be defined?
The expression under the radical must be greater than zero
The expression under the radical must be equal to zero
The expression under the radical must be greater than or equal to zero
The expression under the radical must be less than zero
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the domain of a function with a radical in the denominator?
The expression under the radical must be greater than zero
The expression under the radical must be greater than or equal to zero
The expression under the radical must be less than zero
The expression under the radical must be equal to zero
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