Question 1

The positive square root of 64 is

Accepted Answer

8

Answer

–32

Answer

–8

Answer

32

Question 2

The negative square root of 81 is

Accepted Answer

–9

Answer

81

Answer

9

Answer

–81

Question 3

$\sqrt[3]{1}\$ =

Accepted Answer

1

Answer

1 or –1

Answer

–1

Question 4

$\sqrt[3]{1}\$ =

Accepted Answer

2 or –2

Answer

–2

Answer

2

Answer

4 or –4

Question 5

Find the value of $\sqrt[3]{-125}$

Accepted Answer

–5

Answer

It is undefined.

Answer

5 or –5

Answer

5

Question 6

Find the value of $\sqrt[3]{-125}$

Accepted Answer

2

Answer

It is undefined.

Answer

2 or –2

Answer

–2

Question 7

Find the value of $\sqrt[3]{-125}$

Accepted Answer

–10

Answer

10 or –10

Answer

It is undefined.

Answer

10

Question 8

$\sqrt[3]{1}\$ =

Accepted Answer

2.236, corr to 3 d.p.

Answer

2.236, corr to 3 sig. fig.

Answer

2.23, corr to 3 sig. fig.

Answer

2.23, corr to 3 d.p.

Question 9

Find the 5th root of 10, correct to 4 significant figures. [Just type the number]

Accepted Answer

1.585

Question 10

Find the value of $\sqrt[3]{-125}$ , correct to 3 significant figures. [Just type the number]

Accepted Answer

2.46

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