Warm-Up In this picture, 18 toothpicks make 7 squares. Remove 2 toothpicks, so that you have exactly 4 squares and no pieces of squares left over.
Warm-Up In this picture, 18 toothpicks make 7 squares. Remove 2 toothpicks, so that you have exactly 4 squares and no pieces of squares left over.
Unit 2: Expressions, Equations and Functions
Variables and Expressions
Variables and Expressions Consider the expression:
Variables and Expressions Consider the expression: What are the “terms” in the expression and what separates each of them?
Variables and Expressions Consider the expression: What are the “terms” in the expression and what separates each of them? What is the same and what is different about each term?
Variable:
Variable: A symbol representing an unknown value
Variable: A symbol representing an unknown value Coefficient:
Variable: A symbol representing an unknown value Coefficient: The number multiplied by a variable
Variable: A symbol representing an unknown value Coefficient: The number multiplied by a variable Constant:
Variable: A symbol representing an unknown value Coefficient: The number multiplied by a variable Constant: A term with no variable
Variable: A symbol representing an unknown value Coefficient: The number multiplied by a variable Constant: A term with no variable Like Terms:
Variable: A symbol representing an unknown value Coefficient: The number multiplied by a variable Constant: A term with no variable Like Terms: Terms that have the same exact variable and exponent
Variable: A symbol representing an unknown value Coefficient: The number multiplied by a variable Constant: A term with no variable Like Terms: Terms that have the same exact variable and exponent Simplest Form:
Variable: A symbol representing an unknown value Coefficient: The number multiplied by a variable Constant: A term with no variable Like Terms: Terms that have the same exact variable and exponent Simplest Form: Contains no like terms or parentheses.
Simplify. 1.
Simplify. 1. 2.
Simplify. 1. 2. 3.
Simplify. 4. 5.
Find the mistakes. 1. 2.
Practice Page 29 #29-32 Unit 1, Chapter 1