Lesson 2.5 and 2.7 -Distributive Property -Combining Like Terms -Square Roots

Set Up Vocabulary! FRONT BACK 1) Variable 9) Distributive Property 2) Algebraic Expression 3) Power 4) Base 5) Exponent 6) Reciprocal 7) Multiplicative Identity 8) Equivalent Expression BACK 9) Distributive Property 10) Terms 11) Coefficient 12) Constant Term 13) Like Terms 14) Square Root 15) Perfect Square

Vocabulary Equivalent Expressions: Two expressions that have the same value Ex: 3(x + 2) and 3(x) + 3(2) Distributive Property: A property that can be used to find the product of a number and a sum or difference. Ex: 3(x + 2) and 3x + 6

Distributive Property Use the distributive property to write and equivalent expression.

More Vocabulary… Terms: The parts of an expression that are added together Coefficient: The number part of a term with a variable part Constant Term: Has a number part but no variable part Like Term: Terms that have the same variable parts

Combining Like Terms Simplify the expression

Distributing then combining… Simplify the expression

Vocabulary Continued… Square Root: If b² = a, then b is a square root of a. Perfect Square: A number that is a square of an integer

Square Roots Evaluate the expression.