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Square Roots
By Jonathan Sharp
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Last updated about 2 years ago
12 questions
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Question 1
1.
What is the square root of 64?
4
16
8
32
Question 2
2.
Given a square with an area of 121 square units, what is the length of one side?
121 units
10 units
12 units
11 units
Question 3
3.
Which of the following is a perfect square?
150
144
200
145
Question 4
4.
What is the square root of 144?
16
12
10
18
Question 5
5.
If x\times x is 49, what is the possible value of x?
-7
9
49
21
Question 6
6.
Calculate the square root of 10000.
10000
1000
100
1
Question 7
7.
What would be the square root of -16?
No solution
4
8
-4
Question 8
8.
Which of the following is not close to the square root of 500?
23
25
20
22
Question 9
9.
If you find the square root of a value between 16 and 25, the answer would be between which two numbers?
4 and 5
5 and 6
3 and 4
16 and 25
Question 10
10.
Which number is closest to the square root of 78?
8
9
10
7
Question 11
11.
Consider that sqrt(49) = 7 and sqrt(64) = 8, what is a reasonable estimate for sqrt(50)?
7.1
8
7
6.8
50
Question 12
12.
Which is the best estimate for the square root of 200?
20
14
200
100