Quiz on Surds

Which one of the following is a surd?

[math]\sqrt{2}[/math] [math]\sqrt{4}[/math] [math]\sqrt{1}[/math] [math]\sqrt{9}[/math]

Is [math]\sqrt{4}[/math] a surd?

No Yes

Is [math]\sqrt{5}[/math] a surd?

Yes No

Is [math]\sqrt{6}[/math] a surd?

No Yes

Is [math]\sqrt{8}[/math] a surd?

Yes No

Is [math]\sqrt{121}[/math] a surd?

No Yes

Is [math]\sqrt[3]{8}[/math] a surd?

Yes No

Is [math]\sqrt[3]{9}[/math] a surd?

No Yes

Is [math]\sqrt[3]{16}[/math] a surd?

Yes No

Which one of the following pair of surds are like?

[math]\sqrt{2}[/math] and [math]\sqrt{4}[/math] [math]\sqrt[3]{2}[/math] and [math]\sqrt{2}[/math] [math]\sqrt{2}[/math] and [math]3\sqrt{2}[/math] [math]\sqrt{4}[/math] and [math]\sqrt{9}[/math]

[code][/code]What is [math]\sqrt{2}[/math]+[math]\sqrt{2}[/math] ?

[math]\sqrt{4}[/math] [math]2\sqrt{2}[/math] 2 0

[code][/code]What is [math]\sqrt{8}[/math]+[math]\sqrt{2}[/math] ?

[math]\sqrt{10}[/math] [math]\sqrt{4}[/math] [math]3\sqrt{2}[/math] [math]2\sqrt{2}[/math]

[code][/code]What is [math]3\sqrt{2}[/math]+[math]\sqrt{2}[/math] ?

[math]3\sqrt{2}[/math] [math]\sqrt{7}[/math] [math]3\sqrt{4}[/math] [math]4\sqrt{2}[/math]

[code][/code]What is [math]3\sqrt{2}[/math] - [math]\sqrt{2}[/math] ?

[math]\sqrt{7}[/math] [math]\sqrt{2}[/math] [math]2\sqrt{2}[/math] 3

[code][/code]What is [math]3\sqrt{2}[/math] - 5[math]\sqrt{2}[/math] ?

[math]\sqrt{7}[/math] [math]\sqrt{2}[/math] [math]-2\sqrt{2}[/math] [math]2\sqrt{2}[/math]

[code][/code]Which one of the following can be expressed for [math]\sqrt{8}[/math] ?

[math]3\sqrt{3}[/math] [math]2\sqrt{3}[/math] [math]3\sqrt{2}[/math] [math]2\sqrt{2}[/math]

[code][/code]Which one of the following can be expressed for [math]\sqrt{18}[/math] ?

[math]2\sqrt{3}[/math] [math]3\sqrt{2}[/math] [math]3\sqrt{3}[/math] [math]2\sqrt{2}[/math]

[code][/code]Which one of the following can be expressed for [math]\sqrt{12}[/math] ?

[math]2\sqrt{2}[/math] [math]3\sqrt{2}[/math] [math]2\sqrt{3}[/math] [math]3\sqrt{3}[/math]

[code][/code]Which one of the following can be expressed for [math]\sqrt{27}[/math] ?

[math]3\sqrt{2}[/math] [math]2\sqrt{3}[/math] [math]2\sqrt{2}[/math] [math]3\sqrt{3}[/math]

[code][/code]Which one of the following can be expressed for [math]\sqrt{28}[/math] ?

[math]2\sqrt{2}[/math] [math]2\sqrt{7}[/math] [math]2\sqrt{3}[/math] [math]3\sqrt{2}[/math]

[code][/code]Which one of the following can be expressed for [math]\sqrt{50}[/math] ?

[math]3\sqrt{2}[/math] [math]2\sqrt{3}[/math] [math]5\sqrt{2}[/math] [math]2\sqrt{7}[/math]

What is the value of [math]\sqrt{6}\times\sqrt{12}[/math] ?

72 [math]2\sqrt{6}[/math] [math]6\sqrt{2}[/math] [math]6\sqrt{12}[/math]

What is the value of [math]2\sqrt{3}\times3\sqrt{2}[/math] ?

[math]6\sqrt{6}[/math] [math]5\sqrt{6}[/math] 6 36

What is the value of [math]\sqrt{6}\div\sqrt{2}[/math] ?

[math]\sqrt{3}[/math] [math]\sqrt{12}[/math] 3 [math]2\sqrt{3}[/math]

What is the value of [math]2\sqrt{3}\div\sqrt{3}[/math] ?

12 6 [math]\sqrt{12}[/math] 2

What is the value of [math]\sqrt{12}\div\sqrt{3}[/math] ?

3 [math]\sqrt{6}[/math] 2 [math]\sqrt{15}[/math]

What is the value of [math]\left(\sqrt{2}-1\right)\left(\sqrt{2}+1\right)[/math]?

2 1 [math]2\sqrt{2}[/math] -1

What is the value of [math]\left(\sqrt{5}-2\right)\left(\sqrt{5}+2\right)[/math]?

[math]2\sqrt{5}[/math] 1 2 -1

What is the value of [math]\frac{1}{\sqrt{2}-1}[/math]?

[math]\sqrt{2}+1[/math] [math]1-\sqrt{2}[/math] [math]\sqrt{2}-1[/math] [math]\frac{1}{\sqrt{2}}[/math]

What is the value of [math]\frac{1}{\sqrt{2}+1}[/math]?

[math]\sqrt{2}+1[/math] [math]1-\sqrt{2}[/math] [math]\frac{1}{\sqrt{2}}[/math] [math]\sqrt{2}-1[/math]

Simplify: [math]\frac{1}{\sqrt{2}+1}+\frac{1}{\sqrt{2}-1}[/math]:

[math]\frac{2}{2\sqrt{2}}[/math] [math]\frac{2}{3}[/math] 2 [math]2\sqrt{2}[/math]

Quiz on Surds

Information: Quiz on Surds