Welcome Back! Get your stuff out and be ready to go when the bell rings! 1
2
Variable: 3
Variable: Letter that represents one or more numbers 4
Variable: Letter that represents one or more numbers Expression: 5
Variable: Letter that represents one or more numbers Expression: Basic math sentence w/out equal sign 6
Variable: Letter that represents one or more numbers Expression: Basic math sentence w/out equal sign Collection of #'s, variables, operators, grouping symbols 7
Variable: Letter that represents one or more numbers Expression: Basic math sentence w/out equal sign Collection of #'s, variables, operators, grouping symbols Simplify an expression: 8
Variable: Letter that represents one or more numbers Expression: Basic math sentence w/out equal sign Collection of #'s, variables, operators, grouping symbols Simplify an expression: Boil it down to simplest form... reduce 9
Variable: Letter that represents one or more numbers Expression: Basic math sentence w/out equal sign Collection of #'s, variables, operators, grouping symbols Simplify an expression: Boil it down to simplest form... reduce Not solving! There is no equal sign! 10
Variable: Letter that represents one or more numbers Expression: Basic math sentence w/out equal sign Collection of #'s, variables, operators, grouping symbols Simplify an expression: Boil it down to simplest form... reduce Not solving! There is no equal sign! Evaluate an expression: 11
Variable: Letter that represents one or more numbers Expression: Basic math sentence w/out equal sign Collection of #'s, variables, operators, grouping symbols Simplify an expression: Boil it down to simplest form... reduce Not solving! There is no equal sign! Evaluate an expression: Plug #'s into the express, see what you get 12
Variable: Letter that represents one or more numbers Expression: Basic math sentence w/out equal sign Collection of #'s, variables, operators, grouping symbols Simplify an expression: Boil it down to simplest form... reduce Not solving! There is no equal sign! Evaluate an expression: Plug #'s into the express, see what you get 13
What is a term? 14
What is a term? Something being added or subtracted 15
What is a term? Something being added or subtracted Identify the terms: 16
What is a term? Something being added or subtracted Identify the terms: a + b 3x 2 4x + 5 17
What is a factor? 18
What is a factor? Something being multiplied 19
What is a factor? Something being multiplied Identify the factors: 20
What is a factor? Something being multiplied Identify the factors: 3x (x 4)(x + 2) 2(3 + 18 7) 21
Exponent: Short hand for repeated multiplication (factors) Works only on the thing immediately to the left of it. 22
23
PEMDAS 24
PEMDAS Please 25
PEMDAS Please Excuse 26
PEMDAS Please Excuse My 27
PEMDAS Please Excuse My Dear 28
PEMDAS Please Excuse My Dear Aunt 29
PEMDAS Please Excuse My Dear Aunt Sally 30
PEMDAS Please Excuse My Dear Aunt Sally 31
PEMDAS P E M D A S Please Excuse My Dear Aunt Sally 32
PEMDAS P E M D A S Please Excuse My Dear Aunt Sally 33
PEMDAS Parenthesis E M D A S Please Excuse My Dear Aunt Sally 34
PEMDAS Parenthesis Exponents M D A S Please Excuse My Dear Aunt Sally 35
PEMDAS Parenthesis Exponents Multiply D A S Please Excuse My Dear Aunt Sally 36
PEMDAS Parenthesis Exponents Multiply Divide A S Please Excuse My Dear Aunt Sally 37
PEMDAS Please Excuse My Dear Aunt Sally Parenthesis Exponents Multiply } do * & at same time, left to right Divide A S 38
PEMDAS Please Excuse My Dear Aunt Sally Parenthesis Exponents Multiply } do * & at same time, left to right Divide Add S 39
PEMDAS Please Excuse My Dear Aunt Sally Parenthesis Exponents Multiply } do * & at same time, left to right Divide Add Subtract 40
PEMDAS Parenthesis Exponents } Please Excuse My Dear Aunt Sally Multiply do * & at same time, left to right Divide Add } do + & at same time, left to right Subtract 41
Simplify: 2(3 + 18 9 7) 42
Simplify: (25a 3) 8 43
Evaluate the following when x = 2: (3x + 7) 3 44
Evaluate the following when x = 2: (3x) 3 + 7 45
Evaluate the following when x = 2: 3x 3 + 7 46
47
Pg 12, #1 6, 7 19 odd, 23 47, 49 53, 61, 63 Pg 17, #1 12 48