Question 1

Which of the following is/are the square root(s) of 64?

Accepted Answer

−8 and 8

Answer

−32 and 32

Answer

32

Answer

8

Question 2

If $\sqrt{x}=9$ , then x =

A.

B.

C.

D.

Accepted Answer

81.

Answer

−3.

Answer

3.

Answer

−81.

Question 3

Which of the following is not a rational number?

Accepted Answer

$\sqrt{4.9}$

Answer

$\sqrt{4.9}$

Answer

60%

Answer

8

Question 4

Which of the following numbers is a surd?

Accepted Answer

$\sqrt{4.9}$

Answer

$\sqrt{4.9}$

Answer

$\sqrt{4.9}$

Answer

$\sqrt{4.9}$

Question 5

Simplify $\sqrt{x}=9$

Accepted Answer

$\sqrt{4.9}$

Answer

$\sqrt{4.9}$

Answer

5

Answer

$\sqrt{4.9}$

Question 6

Which of the following is not true?

Accepted Answer

$\sqrt{4.9}$

Answer

–5 is one of the square roots of 25.

Answer

$\sqrt{4.9}$

Answer

5 is one of the square roots of 25.

Question 7

Simplify $\sqrt{x}=9$

Accepted Answer

$\sqrt{4.9}$

Answer

$\sqrt{4.9}$

Answer

$\sqrt{4.9}$

Answer

$\sqrt{4.9}$

Question 8

Simplify $\sqrt{x}=9$

Accepted Answer

$\sqrt{4.9}$

Answer

$\sqrt{4.9}$

Answer

$\sqrt{4.9}$

Answer

$\sqrt{4.9}$

Question 9

Which ofthe following are like surds?

I: $\sqrt{3}$ , II. $\sqrt{6}$ , III: $\sqrt{12}$

Accepted Answer

I and III only

Answer

I and II only

Answer

II and III only

Answer

I, II and III

Question 10

Rationalize the denominator of $\sqrt{x}=9$ .

Accepted Answer

$\sqrt{4.9}$

Answer

$\sqrt{4.9}$

Answer

2

Answer

4

Related quizzes

Related quizzes