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.

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Distributive Property

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Presentation transcript:

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