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Surds

Authored by Maria Yanitsas

Mathematics

9th - 10th Grade

Used 3+ times

Surds
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3+27=\sqrt{3}+\sqrt{27}=  

 464\sqrt{6}  

 434\sqrt{3}  

 262\sqrt{6}  

 232\sqrt{3}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (25)2=\left(2\sqrt{5}\right)^2=  

100

50

10

20

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 Simplify fully: 32×210=Simplify\ fully:\ 3\sqrt{2}\times2\sqrt{10}=  

 6206\sqrt{20}  

 12512\sqrt{5}  

 5205\sqrt{20}  

 10510\sqrt{5}  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Rationalise the denominator: 123=\frac{1}{2\sqrt{3}}=  

 318\frac{\sqrt{3}}{18}  

 318\frac{\sqrt{3}}{\sqrt{18}}  

 36\frac{\sqrt{3}}{\sqrt{6}}  

 36\frac{\sqrt{3}}{6}  

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Rationalise the denominator: 252\frac{2}{\sqrt{5}-\sqrt{2}}  


 25+227\frac{2\sqrt{5}+2\sqrt{2}}{7}  

 25+223\frac{2\sqrt{5}+2\sqrt{2}}{3}  

 25227\frac{2\sqrt{5}-2\sqrt{2}}{7}  

 25223\frac{2\sqrt{5}-2\sqrt{2}}{3}  

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