Expressions unit test answers. Unit 3 lesson 12 6B. PLEASE HELP IM STRUGGLING SO HARD
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1. Simplifying Expressions: To simplify an expression, combine like terms and follow the order of operations (PEMDAS - Parentheses, Exponents, Multiplication and Division from left to right, Addition and Subtraction from left to right).
2. Evaluating Expressions: To evaluate an expression, substitute the given values for the variables and perform the required operations, following the order of operations.
3. Translating Phrases into Expressions: To translate a phrase into an algebraic expression, identify the key words and operations in the phrase, and assign variables or unknowns to appropriate parts of the phrase.
4. Writing Expressions from Word Problems: In word problems, look for keywords or phrases that indicate certain mathematical operations. Use variables to represent unknown quantities and translate the problem's information into an algebraic expression or equation.
To prepare for your unit test, review your textbook or class notes, paying close attention to the examples and practice problems. Practice solving various types of expression problems to build your understanding and confidence.
If you need further help with specific questions, please provide the details of the problems you are struggling with, and I'll be glad to assist you in solving them!