1. 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

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

3. Section 1: Expressions Topics 5 – Properties of Exponents

4. 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"

5. 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

6. 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 

7. Section 1: Expressions Topics 5 – Properties of Exponents

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

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

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

11. Section 1: Expressions Topics 6 – Radical Expressions

12. 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