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F.2 index_3

F.2 index_3

Assessment

Presentation

Mathematics

8th Grade

Hard

Created by

CKW CKW

FREE Resource

6 Slides • 8 Questions

1

F.2 index_3

This lesson is about the third rule you need to learn in index.

Slide image

2

 (amb)n=am×nbn\left(a^mb\right)^n=a^{m\times n}b^n  

  • remove the bracket and make it times

  • Evenly distributed

3

Example 1:

 (2a3)2\left(2a^3\right)^2 
 =22a3×2=2^2a^{3\times2} 
 =4a6=4a^6   

4

Example 2:

 (2x2y3z)2 \left(2x^2y^3z\right)^{2\ }  
 =22x2×2y3×2z2=2^2x^{2\times2}y^{3\times2}z^2  
 =4x4y6z2=4x^4y^6z^2  

5

Quick Test

6

Multiple Choice

Q.1 Simplify  (a2)3.\left(a^2\right)^3.  

1

 a3a^3  

2

 a5a^5  

3

 a6a^6  

4

 a8a^8  

7

Multiple Choice

Q.2 Simplify  (x5)2.\left(x^5\right)^2.  

1

 x5x^5  

2

 x7x^7  

3

 x10x^{10}  

4

 x25x^{25}  

8

Multiple Choice

Q.3 Simplify   (3a3)2.\left(3a^3\right)^2.  

1

 6a56a^5  

2

 6a66a^6  

3

 9a59a^5  

4

 9a69a^6  

9

Multiple Choice

Q.4 Simplify (5x5)2.\left(5x^5\right)^2.  

1

 10x710x^7  

2

 10x1010x^{10}  

3

 25x725x^7  

4

 25x1025x^{10}  

10

Multiple Choice

Q.5 Simplify  (a2b3)2.\left(a^2b^3\right)^2.  

1

 a4b6a^4b^6  

2

 a2b6a^2b^6  

3

 a4b5a^4b^5  

4

 a4b3a^4b^3  

11

Multiple Choice

Q.6 Simplify  (3a2b)3 .\left(3a^2b\right)^{3\ }.  

1

 3a2b33a^2b^3  

2

 9a2b39a^2b^3  

3

 9a6b39a^6b^3  

4

 27a6b327a^6b^3  

12

Multiple Choice

Q.7 Simplify  ((xy)2z)4.\left(\left(xy\right)^2z\right)^4.  

1

 x2y2z4x^2y^2z^4  

2

 xy2z4xy^2z^4  

3

 xy8z4xy^8z^4  

4

 x8y8z4x^8y^8z^4  

13

Multiple Choice

Q.8 Simplify  ((x2)2)2.\left(\left(x^2\right)^2\right)^2.  

1

 3x63x^6  

2

 x6x^6  

3

 x8x^8  

4

 x16x^{16}  

14

End of Test


F.2 index_3

This lesson is about the third rule you need to learn in index.

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