Roots

Question 1

Calculate

the square root of 49

Answer 1

7

Question 2

Calculate

the square root of 121

Answer 2

11

Question 3

Calculate

the square root of 169

Answer 3

13

Question 4

Calculate

the square root of 81

Answer 4

9

Question 5

Calculate

the square root of 64

Answer 5

8

Question 6

Calculate

the square root of 1

Answer 6

1

Question 7

Calculate

the square root of 144

Answer 7

12

Question 8

The square root of n is 14.

Find n

Answer 8

n = 196

Question 9

The square root of m is 30

find m

Answer 9

m = 900

Question 10

There are only two whole numbers that are equal to their square root. What are they?

Answer 10

0 and 1

Question 11

n and m are two whole numbers, and we know that n<m.></m.>

<p> </p>

<p>a=b</p>

<p>a<b>

</b></p>

<p>a&gt;b</p>

<p> </p>

<p> </p>

</m.>

Answer 11

a

Question 12

Is the square root of an integer number always an integer number?

Answer 12

NO, only if the number is a perfect square, like 0,1,4,9,16…

Question 13

Calcualte the cubic roots of the following numbers

0

1

8

27

1000

Answer 13

0

1

2

3

10

Question 14

Consider the set A made of ALL the square roots of ALL the natural numbers.

COnsider all the set N: the positive integer numbers.

Is A a subset of N?

Answer 14

NO, A contains a lot of decimal, non integer numbers like the square root of 2, the square root of 3…

Question 15

Can you calcoluate the square root of the square root of 16?

Answer 15

2

Question 16

Calculate

the square root of 0.25

Answer 16

0.5