Warm-Up #5 Tuesday, 2/9/2016 Find possible domain for f x = 3

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Presentation transcript:

Warm-Up #5 Tuesday, 2/9/2016 Find possible domain for f x = 3𝑥 𝑥 2 −9 Find possible domain for g 𝑥 = 𝑥−7 Given f x = 3𝑥 𝑥 2 −9 , 𝑓𝑖𝑛𝑑 𝑓(−4)

Homework Tuesday, 2/9/2016 Rules of Exponents packet page 2 http://www.virtualnerd.com/sat-math/fundamentals/exponents-square-roots/exponents-definition

Lesson 5.07 Basic Exponents

Definition of Exponent An exponent tells how many times a number is multiplied by itself. Exponent/power 3 4 Base

𝟒 𝟑 = 𝟒 𝟒 𝟒 =𝟔𝟒 Exponential form: 4 3 Expanded form: (4)(4)(4) Standard form: 64

What an Exponent Represents An exponent tells how many times a number is multiplied by itself. 4 = 3 x 3 x 3 x 3 3

How to read an Exponent This exponent is read three to the fourth power. 3 4 Exponent Base

How to read an Exponent This exponent is read three to the 2nd power or three squared. 3 2 Exponent Base

How to read an Exponent This exponent is read three to the 3rd power or three cubed. 3 3 Exponent Base

Read These Exponents 3 2 6 7 2 3 5 4

What is the Exponent? 3 (-2)(-2)(-2) = -2

What is the Exponent? 2 3 x 3 = 3

What is the Exponent? 4 (-5)(-5)(-5)(-5) = -5

What is the Base and the Exponent? 4 8 x 8 x 8 x 8 = 8

What is the Base and the Exponent? 5 7 x 7 x 7 x 7 x 7 = 7

What is the Base and the Exponent? 9 2

How to Multiply Out an Exponent to Find the Standard Form 4 3 = 3 x 3 x 3 x 3 9 27 81

What is the Standard Form? 2 4 16 =

What is the Standard Form? 3 (-2) -8 =

What is the Standard Form? 2 (-3) 9 =

What is the Standard Form? 3 5 125 =