# F2 Class Quiz 18: Surds

## Quiz by Ms Choi

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10 questions

Show answers

- Q1
Which of the following is/are the squareroot(s) of 64?

−32 and 32

−8 and 8

32

8

60s - Q230s
- Q3
Which of the following is

**not**a rational number?$2.\backslash dot\{3\}$

$\backslash sqrt\{4.9\}$

60%

8

60s - Q4
Which ofthe following numbers is a surd?

$\backslash sqrt\{1\}$

$\backslash sqrt\{4\}$

$\backslash sqrt\{0.9\}$

$\backslash sqrt\{0.36\}$

60s - Q560s
- Q6
Which of the following is

**not**true?$\backslash sqrt\{\backslash left(-5\backslash right)^2\}=-5$

–5 is one of the square roots of 25.

$\backslash sqrt\{\backslash left(-5\backslash right)^2\}=\backslash sqrt\{5^2\}$

5 is one of the square roots of 25.

120s - Q7120s
- Q860s
- Q960s
- Q10120s