Welcome! Grab a set of interactive notes Guided Practice Sheets

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Presentation transcript:

Welcome! Grab a set of interactive notes Guided Practice Sheets Topic 5 Welcome! Grab a set of interactive notes Guided Practice Sheets Take out your HW (Expressions topic 5 & 6) Homework Expressions Topic 7 & 8 Section 1: Test Next Week Topic 6

Section 1: Expressions Topics 5 & 6 Page 12-16

Section 1: Expressions Topics 5 – Properties of Exponents

Properties of Exponents  exponents are also called powers. Section 1: Expressions Topics 5 – Properties of Exponents Properties of Exponents  exponents are also called powers. The exponent of a number says how many times to use the number in a multiplication. In this example: 82 = 8 × 8 = 64 In words: 82 could be called "8 to the second power", “8 to the power 2" or simply "8 squared"

Writing all the letters down Section 1: Expressions Topics 5 – Properties of Exponents Writing all the letters down is the key to understanding the Properties. A7 = a × a × a × a × a × a × a = aaaaaaa x2x3 = (xx)(xxx) = xxxxx = x5 x4/x2 = (xxxx) / (xx) = xx = x2 x2/x2 = x2-2 = x0 =1 (x3)4 = (xxx)4 = (xxx)(xxx)(xxx)(xxx) = xxxxxxxxxxxx = x12

Writing all the letters down Section 1: Expressions Topics 5 – Properties of Exponents Writing all the letters down is the key to understanding the Properties. OK this one is more complicated 

Section 1: Expressions Topics 5 – Properties of Exponents

Definition of a radical: Section 1: Expressions Topics 6 – Radical Expressions Definition of a radical:

Definition of a square root: Section 1: Expressions Topics 6 – Radical Expressions Definition of a square root:

Definition of a cube root: Section 1: Expressions Topics 6 – Radical Expressions Definition of a cube root:

Section 1: Expressions Topics 6 – Radical Expressions

Homework Topics 7 & 8 Section 1: Expressions Topics 3 & 4 Page 7-11 Section 1: Expressions: Topics 7-8 Pages 17-22 Homework Topics 7 & 8