
Understanding Radical Expressions and Rationalization

Interactive Video
•
Mathematics
•
8th - 10th Grade
•
Hard
Standards-aligned

Lucas Foster
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process called when you eliminate a radical from the denominator?
Factoring the expression
Simplifying the numerator
Rationalizing the denominator
Multiplying by zero
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the expression 4 divided by the square root of 7, what should you multiply both the numerator and denominator by to rationalize it?
Square root of 4
Square root of 14
Square root of 7
Square root of 49
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the expression when you multiply by the square root of 7 in both the numerator and denominator?
The denominator simplifies perfectly
The expression becomes more complex
The numerator becomes zero
The expression remains unchanged
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When simplifying square root expressions, why is it helpful to write radicands in prime factored form?
To avoid using square roots
To identify common factors easily
To increase the complexity
To make the expression longer
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the expression square root of 6 divided by square root of 15?
Square root of 2
Square root of 10 divided by 5
Square root of 3
Square root of 5 divided by 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of simplifying expressions, what is a perfect square factor?
A factor that is a cube of an integer
A factor that is a prime number
A factor that is a square of an integer
A factor that is a fraction
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to have equal factors under the radical when simplifying?
To make the expression more complex
To ensure the expression remains unchanged
To increase the number of terms
To simplify the expression perfectly
Tags
CCSS.HSN.RN.A.2
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