Simplify and Multiplaying Radicals.notebook

December 16, 2015

Warm ­ Up ... Simplify Hint: Review your exponent rules!

1) x2   x­3 2) (2x­3y0)4 Apr 24­1:42 PM

Simplifying and  Multiplying Radical  Expressions

Apr 18­4:32 PM

1

Simplify and Multiplaying Radicals.notebook

December 16, 2015

You will be able to: ­ Simplify radical expressions ­ Multiply radical expressions

Apr 18­4:33 PM

Any expression  containing a radical is  called a radical  expression

Radical Sign

x

Index

Radicand

May 21­8:28 AM

2

Simplify and Multiplaying Radicals.notebook

3

4

x x x

December 16, 2015

= Square Root = Cubed Root

= 4th Root

May 21­8:28 AM

To Simplify the Radicand  (inside): 1. Find the prime factorization of  the radicand

2. Anywhere there is a number or a  variable THE NUMBER OF TIMES  OF THE INDEX put ONE of them  on the outside and drop the REST  on the inside May 21­8:33 AM

3

Simplify and Multiplaying Radicals.notebook

December 16, 2015

Example:

20 √

Jan 5­4:24 PM

Example:

4

2√54

May 21­8:40 AM

4

Simplify and Multiplaying Radicals.notebook

December 16, 2015

Whiteboards:

3

√60 3 √ 68

√ 24 4



972

May 21­8:39 AM

Example:

b 20a √

3 2

Jan 5­4:24 PM

5

Simplify and Multiplaying Radicals.notebook

December 16, 2015

Example:

3y

5

3

√16y z

8 2

May 21­8:39 AM

Whiteboards:

b√ 8b

3

3

108a b √

16 9

May 21­8:39 AM

6

Simplify and Multiplaying Radicals.notebook

December 16, 2015

Whiteboards:

4bx

2

4

√ 162x b

5 11

3

9d √ 640r d 5

17 4

May 21­8:39 AM

Multiplying Radicals Multiply the numbers inside,  and then simplify the radicand  (Both radicals must have the  SAME index to be multiplied  together)

May 22­8:47 AM

7

Simplify and Multiplaying Radicals.notebook

Example: 4

3√16a b

5 3

December 16, 2015

4

15a √

10

May 22­8:53 AM

White boards:

√50x y √ 6xy 3 2 3 15 √45x y √ 3x y 7 7

4

May 22­8:53 AM

8

Simplify and Multiplaying Radicals.notebook

December 16, 2015

White boards: 3

3

√10x y √ 3x y 3 21 30 √625x √ 2x y 4

8

12 6

4

May 22­8:53 AM

Multiplying Radical Expressions: Distribute or use the box method NOTE:       a        a     =   a

Apr 25­2:18 PM

9

Simplify and Multiplaying Radicals.notebook

December 16, 2015

Example:

5 (­  3 +   5    )

Apr 25­1:58 PM

Example:

(

3 + 5 )( 3 ­ 1)

Apr 25­1:58 PM

10

Simplify and Multiplaying Radicals.notebook

December 16, 2015

White Boards: Multiply

   ) 2 (2   5  + 4 6  +  2b 15 (           )

Apr 25­1:59 PM

HOMEWORK:

WORKSHEET Apr 24­1:50 PM

11

Simplify and Multiplaying Radicals PDF.pdf

Page 2 of 11. Simplify and Multiplaying Radicals.notebook. 2. December 16, 2015. Apr 184:33 PM. You will be able to: Simplify radical expressions. Multiply radical expressions. May 218:28 AM. x. Radical Sign. Radicand. Any expression. containing a radical is. called a radical. expression. Index. Page 2 of 11 ...

345KB Sizes 2 Downloads 172 Views

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