
Square Roots and Absolute Values
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard
Thomas White
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of squaring a number and then taking the square root?
The original number
The negative of the number
The absolute value of the number
Zero
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true for any real number a?
The square root of a squared is -a
The square root of a squared is a
The square root of a squared is the absolute value of a
The square root of a squared is always zero
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the principal square root of 9?
9
3
-3
0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example with negative 3, what is the absolute value of negative 3?
3
0
-3
9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the property of square roots and absolute values help us simplify?
Only negative numbers
Expressions with squared quantities under a radical
Expressions without radicals
Only positive numbers
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a variable is non-negative, how can we express the square root of its square?
As the variable itself
As the square of the variable
As the negative of the variable
As zero
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the absolute value of 8a if a is non-negative?
8a
-8a
0
a
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