

Converting Rational Exponents and Radicals: Key Concepts and Techniques
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
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 result of taking the square root of a negative number in the set of real numbers?
A negative number
A positive number
Zero
It does not exist
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't even roots have a negative number under the radical?
Because it results in a complex number
Because it results in a positive number
Because it results in zero
Because it's mathematically impossible
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the cube root of -8?
8
-8
2
-2
Tags
CCSS.8.EE.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the cube root of a negative number demonstrate about odd roots?
They are undefined
They can handle negative numbers
They cannot handle negative numbers
They result in zero
Tags
CCSS.8.EE.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct expression for the cube root of 9 squared?
The cube root of 81
The square root of 9 cubed
9 to the power of 3/2
9 to the power of 2/3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of 3 cubed?
81
27
6
9
Tags
CCSS.6.EE.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What common mistake is made when handling the expression 9 to the power of 2/3?
Flipping the exponent and root
Misinterpreting the cube root
Calculating the square root incorrectly
None of the above
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