
What is the principal square root
Interactive Video
•
Mathematics
•
11th Grade - University
•
Practice Problem
•
Hard
Wayground Content
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the imaginary unit 'i' defined as?
The square root of -1
The square root of 1
The square root of 0
The square root of 2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a method to simplify sqrt(8)?
Using a polynomial
Using a logarithm
Using a factor tree
Using a calculator
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can sqrt(8) be expressed using square numbers?
sqrt(4) * sqrt(2)
sqrt(3) * sqrt(3)
sqrt(2) * sqrt(2)
sqrt(5) * sqrt(1.6)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the principal square root of a negative number expressed as?
i * sqrt(a)
sqrt(a) * sqrt(-1)
a * sqrt(i)
sqrt(-a) * i
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When expressing the square root of a negative number, what is factored out?
The real number
The negative sign
The imaginary unit
The positive number
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