IX RATIONALISING SURDS

IX RATIONALISING SURDS

9th Grade

10 Qs

quiz-placeholder

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IX RATIONALISING SURDS

IX RATIONALISING SURDS

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

Abirami Palaniappan

Used 76+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Simplify by rationalizing the denominator:

(Hint: rewrite without a surd on the denominator)

Media Image
Media Image
Media Image
Media Image

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

To rationalize the denominator of this expression you need to multiply by

44\frac{4}{4}

33\frac{\sqrt{3}}{\sqrt{3}}

43\frac{4}{\sqrt{3}}

34\frac{\sqrt{3}}{4}

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rationalize the denominator:
 523\frac{\sqrt{5}}{2\sqrt{3}}  

 156\frac{\sqrt{15}}{6}  

 1518\frac{\sqrt{15}}{18}  

 536\frac{5\sqrt{3}}{6}  

 5318\frac{5\sqrt{3}}{18}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Do you think

 (3)(4)\sqrt{\left(3\right)\left(4\right)}  is equal to  3×4\sqrt{3}\times\sqrt{4}  ?

Yes 

No

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 surds  like  a+b  and ab are surds\ \ like\ \ a+\sqrt{b\ }\ and\ a-\sqrt{b}\ are\   

 like surdslike\ surds  

 unlike surdsunlike\ surds  

 conjugate surdsconjugate\ surds  

 NoneNone  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Rationalising a term  is changing  a irrational term toRationali\sin g\ a\ term\ \ is\ changing\ \ a\ irrational\ term\ to  

 rationalrational  

 irrationalirrational  

 integerinteger  

 NoneNone  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Identify the rationalising factor of 18Identify\ the\ rationali\sin g\ factor\ of\ \frac{1}{\sqrt{8}}  

 2\sqrt{2}  

 8\sqrt{8}  

 12\frac{1}{2}  

 13\frac{1}{3}  

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