

Square Roots and Imaginary Numbers
Interactive Video
•
Mathematics
•
6th - 7th Grade
•
Practice Problem
•
Hard
Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the positive square root of 25?
25
5
0
-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following numbers is a real number?
Square root of -9
Square root of 36
Square root of -16
Square root of -25
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the square root of 42.25?
7
8
6.5
6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't the square root of a negative number be a real number?
Because a positive number times itself is negative
Because a negative number times itself is positive
Because a positive number times itself is zero
Because a negative number times itself is negative
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of number is the square root of -25?
Imaginary
Real
Whole
Rational
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used for numbers that cannot be placed on the number line?
Imaginary numbers
Whole numbers
Real numbers
Rational numbers
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of an imaginary number?
Square root of 9
Square root of 10
Square root of 16
Square root of -14
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