Algebra I Review - Properties of Exponents web.notebook

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Algebra I Review Properties of Exponents web.notebook 1 January 26, 2009 Jan 1711:15 AM Algebra I Review Properties of Exponents Objective: Use properties of exponents to simplify algebraic expressions. 

Transcript of Algebra I Review - Properties of Exponents web.notebook

Page 1: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­11:15 AM

Algebra I ReviewProperties of Exponents

Objective:Use properties of exponents to simplify algebraic expressions. 

Page 2: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­11:20 AM

Complete the "Exponents Activity" with your group.

Page 3: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­11:20 AM

For every nonzero number a, a0 =  1

1an

For every nonzero number a and integer n,

                           a­n = 

From your activity, you should have discovered the following two properties:

Page 4: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­11:20 AM

Simplify the following:

1.  4­3 = 

2.  (­4)­3 = 

3.  70 = 

4.  7­1 = 

Page 5: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­11:47 AM

23   25 = 

62   64 =

126   122 =

With your group, solve these problems.Find a general rule for problems that look like these.

Page 6: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­11:54 AM

GENERAL RULE am  an = am + n

TRY SOME

Page 7: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­11:58 AM

Simplify.1.  (5x5)(3y6)(3x2) = 

2.  a6b3   a2b­2 =

3.  c­2c7 = 

4.  ­m2  4r3  12r­4  5m =

Page 8: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­12:25 PM

With your group, solve these problems.Find a general rule for problems that look like these.

(3a)3 =

(2x)4 =

(4y)2 =

Page 9: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­12:26 PM

GENERAL RULE 

(ab)n = an bn

TRY SOME

Page 10: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­12:31 PM

1.  (­2x­1y2)3 =

2.  (­a2b3c)4 =

3.  (a­1b2)2(a3b4)­2 = 

Simplify.

Page 11: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­12:00 PM

With your group, solve these problems.Find a general rule for problems that look like these.

(32)4 = 

(32)5 = 

(32)6 = 

Page 12: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­12:04 PM

Power Raised to a Power

GENERAL RULE

(am)n = am  n

TRY SOME

Page 13: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­12:06 PM

Simplify these!

1.  (2z3)4 = 

2.  (d3)5(d3)0 =

3.  (x3)­1(x2)5 =

4.  (q10)10 =

5.  (3b­2)2(a2b4)3 = 

Page 14: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­12:49 PM

With your group, solve these problems.Find a general rule for problems that look like these.

3632

9594

=

=

Page 15: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­12:49 PM

GENERAL RULE

aman = am­n

TRY SOME

Page 16: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­12:50 PM

Try these!

1.  

2.

3.

4.

a14a6

=

=c­1d3c5d­4

=x2y­1z4xy4z­3

=m­1n2m3n

Page 17: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­12:51 PM

With your group, solve these problems.Find a general rule for problems that look like these.

45 =

3

45 =

2

45 =

4

Page 18: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­12:52 PM

GENERAL RULE

ab

n ab

n

n=

TRY SOME

Page 19: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­12:53 PM

Try some more!

1.  

2.

3.  

3x2

2=

=xy2

3

=ab

­n

Page 20: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­10:49 AM

Make sure you have written down all the properties of exponents.

Page 21: Algebra I Review - Properties of Exponents web.notebook

Algebra I Review ­ Properties of Exponents web.notebook

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January 26, 2009

Jan 17­12:58 PM

HOMEWORK

p. 368 #1­24