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Surds

Surds

Assessment

Presentation

•

Mathematics

•

8th - 12th Grade

•

Medium

Created by

Aqil Mohammed

Used 29+ times

FREE Resource

6 Slides • 43 Questions

1

Surds

by Aqil Mohammed

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media

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Multiple Choice

The following are considered as Surds except

1

32\sqrt{32}

2

81\sqrt{81}

3

353\sqrt{5}

4

16\frac{1}{\sqrt{6}}

5

Multiple Choice

3+3=\sqrt{3}+\sqrt{3}=  

1

6\sqrt{6}  

2

9\sqrt{9}  

3

232\sqrt{3}  

4

33  

6

Multiple Choice

  3×4\sqrt{3}\times\sqrt{4} =

1

3×4\sqrt{3\times4}  

2

3+4\sqrt{3+4}  

3

3×43\times4  

4

7\sqrt{7}  

7

Multiple Choice

6×6 ≠\sqrt{6}\times\sqrt{6}\ \ne  

1

36\sqrt{36}  

2

66  

3

(6)2\left(\sqrt{6}\right)^2  

4

666\sqrt{6}  

8

Multiple Choice

57=\frac{\sqrt{5}}{\sqrt{7}}=  

1

57\frac{5}{7}  

2

57\sqrt{\frac{5}{7}}  

3

5−7\sqrt{5}-\sqrt{7}  

4

(57)2\left(\frac{5}{7}\right)^2  

9

Multiple Choice

Question image

Simplify the following surd...

1

3√2

2

2√3

3

9√2

4

3√6

10

Multiple Choice

Question image

Simplify the following surd...

1

6√2

2

2√6

3

8√2

4

4√6

11

Multiple Choice

Question image

Simplify the following surd...

1

4√2

2

2√3

3

6√2

4

4√3

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Multiple Choice

Simplify

15×5\sqrt{15}\times\sqrt{5}  

1

75\sqrt{75}  

2

25325\sqrt{3}  

3

535\sqrt{3}  

4

7575  

14

Multiple Choice

Simplify

6×36\sqrt{6}\times3\sqrt{6}  

1

3363\sqrt{36}  

2

18618\sqrt{6}  

3

1818  

4

33  

15

Multiple Choice

Simplify

37+573\sqrt{7}+5\sqrt{7}  

1

8148\sqrt{14}  

2

878\sqrt{7}  

3

151415\sqrt{14}  

4

15715\sqrt{7}  

16

Multiple Choice

Simplify

33+67−27+233\sqrt{3}+6\sqrt{7}-2\sqrt{7}+2\sqrt{3}  

1

53+475\sqrt{3}+4\sqrt{7}  

2

3+47\sqrt{3}+4\sqrt{7}  

3

939\sqrt{3}  

4

53+875\sqrt{3}+8\sqrt{7}  

17

Multiple Choice

Simplify

410162\frac{4\sqrt{10}}{16\sqrt{2}}  

1

52\frac{\sqrt{5}}{2}  

2

454\sqrt{5}  

3

54\frac{\sqrt{5}}{4}  

4

54\frac{5}{4}  

18

Multiple Choice

Expand

6(22−6)\sqrt{6}\left(2\sqrt{2}-6\right)  

1

−26-2\sqrt{6}  

2

−46-4\sqrt{6}  

3

42−664\sqrt{2}-6\sqrt{6}  

4

43−664\sqrt{3}-6\sqrt{6}  

19

Multiple Choice

Simplify

42×51025\frac{4\sqrt{2}\times5\sqrt{10}}{2\sqrt{5}}  

1

2020  

2

4040  

3

10410\sqrt{4}  

4

202025\frac{20\sqrt{20}}{2\sqrt{5}}  

20

Multiple Choice

Question image

The equation is equal to

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2
3
4

21

Multiple Choice

Question image

The equation is equal to

1
2
3
4

22

Multiple Choice

Question image
1
2
3
4

23

Multiple Choice

Question image

Rationalise its denominator

1
2
3
4

24

Multiple Choice

Question image

Fully simplify....

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2
3
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25

Multiple Choice

Question image

Fully simplify....

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2
3
4

26

Multiple Choice

Question image

Fully simplify....

1
2
3
4

27

Multiple Choice

(2−4)(2+4)\left(\sqrt{2}-4\right)\left(\sqrt{2}+4\right)  

1

14

2

−14-14  

3

2

4

−2-2  

28

Multiple Choice

(7+1)(1−7)\left(\sqrt{7}+\sqrt{1}\right)\left(\sqrt{1}-\sqrt{7}\right)  

1

6

2

−6-6  

3

8

4

−8-8  

29

Multiple Choice

(3−1)(3+1)\left(\sqrt{3}-\sqrt{1}\right)\left(\sqrt{3}+\sqrt{1}\right)  

1

−2-2  

2

2

3

−4-4  

4

4

30

Multiple Choice

(s−1)(1+s)\left(\sqrt{s}-1\right)\left(1+\sqrt{s}\right)  

1

(s−1)\left(s-1\right)  

2

(1−s)\left(1-s\right)  

3

(s2 −1)\left(s^{2\ }-1\right)  

4

(1−s2)\left(1-s^2\right)  

31

Multiple Choice

(x−2)(2+x)\left(x-\sqrt{2}\right)\left(\sqrt{2}+x\right)  

1

(2−x)\left(2-x\right)  

2

(x−2)\left(x-2\right)  

3

(x2−2)\left(x^2-2\right)  

4

(2−x2)\left(2-x^2\right)  

32

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Multiple Choice

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

1

like surdslike\ surds  

2

unlike surdsunlike\ surds  

3

conjugate surdsconjugate\ surds  

4

NoneNone  

34

Multiple Choice

The conjugate surd of (3−2)\left(3-\sqrt{2}\right)  is

1

2−3\sqrt{2}-3  

2

3−2\sqrt{3}-\sqrt{2}  

3

3+23+\sqrt{2}  

4

3−2\sqrt{3}-2  

35

Multiple Choice

conjugate surd of  5−3 conjugate\ surd\ of\ \ 5-\sqrt{3}\  

1

5+35+\sqrt{3}  

2

−3-\sqrt{3}  

3

3\sqrt{3}  

4

−5-5  

36

Multiple Choice

conjugate term of 3+2 isconjugate\ term\ of\ 3+\sqrt{2}\ is  

1

33  

2

2\sqrt{2}  

3

3−23-\sqrt{2}  

4

−2-\sqrt{2}  

37

Multiple Choice

Which of the following is considered as rationalising the denominator of   3−25+4\frac{3-\sqrt{2}}{\sqrt{5}+4}  ?

1

3−25+4×3−25−4\frac{3-\sqrt{2}}{\sqrt{5}+4}\times\frac{3-\sqrt{2}}{\sqrt{5}-4}  

2

3−25+4×5+45+4\frac{3-\sqrt{2}}{\sqrt{5}+4}\times\frac{\sqrt{5}+4}{\sqrt{5}+4}  

3

3−25+4×4−54−5\frac{3-\sqrt{2}}{\sqrt{5}+4}\times\frac{4-\sqrt{5}}{4-\sqrt{5}}  

4

3−25+4×5−45−4\frac{3-\sqrt{2}}{\sqrt{5}+4}\times\frac{\sqrt{5}-4}{\sqrt{5}-4}  

38

Multiple Choice

What should you multiply 61−5\frac{6}{1-\sqrt{5}}  by to rationalize the denominator?

1

-4

2

1−51-\sqrt{5}  

3

1+51+\sqrt{5}  

4

−(3−35)2-\frac{\left(3-3\sqrt{5}\right)}{2}  

39

Multiple Choice

−21+6\frac{-2}{1+\sqrt{6}}  Rationalize the following:

1

1+6−2\frac{1+\sqrt{6}}{-2}  

2

−2+26−5\frac{-2+2\sqrt{6}}{-5}  

3

−266-\frac{2\sqrt{6}}{6}  

4

−26-2\sqrt{6}  

40

Multiple Choice

Rationalize the following: 23+5\frac{\sqrt{2}}{\sqrt{3}+\sqrt{5}}  

1

6−108\frac{\sqrt{6}-\sqrt{10}}{8}  

2

6−10−2\frac{\sqrt{6}-\sqrt{10}}{-2}  

3

6+108\frac{\sqrt{6}+\sqrt{10}}{8}  

4

23+25−2\frac{2\sqrt{3}+2\sqrt{5}}{-2}  

41

Open Ended

Leave your feedback on this topic

42

Extension Surd Problems​

​(Algebraic)

43

Multiple Choice

Solve

x−3=2\sqrt{x-3}=2  

1

4

2

5

3

6

4

7

44

Multiple Choice

Solve

2x+1=1−x\sqrt{2x+1}=\sqrt{1-x}  

1

0

2

1

3

2

4

3

45

Multiple Choice

Solve

31−x=x+33\sqrt{1-x}=x+3  

1

-15

2

-6

3

0

4

5

46

Multiple Select

Solve

2x2−5x−3=3x−3\sqrt{2x^2-5x-3}=\sqrt{3x-3}  

1

0

2

2

3

4

4

6

47

Multiple Select

Solve

x−4−x−3=−1\sqrt{x-4}-\sqrt{x-3}=-1  

1

0

2

2

3

4

4

6

48

Multiple Select

Solve

1+x+3=2x−11+\sqrt{x+3}=\sqrt{2x-1}  

1

1

2

5

3

7

4

13

49

Multiple Choice

Solve

x+1=3−x\sqrt{x+1}=3-\sqrt{x}  

1

43\frac{4}{3}  

2

2

3

3

4

169\frac{16}{9}  

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Surds

by Aqil Mohammed

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