Module 1 Topic 2 Notes

Module 1 Topic 2 Variables and Expressions Variable: an unknown that is usually represented by a letter; used in writing expressions Expressions are different from equations because expressions do not have an “equals” sign

Writing an Algebraic Expression ,[object Object],X + 3 Write this down: sum + difference – product x quotient /

Writing an Algebraic Expression ,[object Object],40/r

Order of Operations ,[object Object],[object Object],[object Object],[object Object]

Order of Operations ,[object Object],[object Object],[object Object],[object Object],[object Object]

Simplifying Algebraic Expressions ,[object Object],[object Object],[object Object],[object Object],EX: Simplify (-3) 2 – 6y + 2y(5) -10 YOU TRY! 9 – 6y + 2y(5) – 10 9 – 6y + 10y – 10 4y – 1 (Did you get it?  )

The Distributive Property ,[object Object],EX: Distribute the expression 5(r + 12) 5r + 5*12 5r + 60

Let’s Put it All Together! ,[object Object],[object Object],[object Object],[object Object]

Let’s Try a Word Problem ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Module 1 Topic 2 Notes

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Module 1 Topic 2 Notes