# Chapter 1: 1-3 Algebraic Expressions

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 Author: Charity_and_Love ID: 306725 Filename: Chapter 1: 1-3 Algebraic Expressions Updated: 2015-08-23 20:32:42 Tags: Algebra Chpt Folders: Algebra 2 Description: Helping to study for Algebra 2 CP. Show Answers:

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1. Vocabulary Terms
# of terms= 5
• Vocabulary Terms
• # of terms= 5
2. What does the term Evaluate mean?
When you substitute a number for each variable in the expression.
3. What does the term Term mean?
An expression that is a number, variable, or product of a number and one or more variables.
4. What does the term Coefficient mean?
A numerical factor of a term.
5. What does the term Constant Term mean?
A term with no variables.
6. What does the term Like Terms mean?
Are terms that have the same variables raised to the same powers.
7. Concept Summary - Properties for Simplifying Algebraic Expressions
Let a, b, & c represent real numbers.
8. Definition of Subtraction
Let a, b, & c represent real numbers.
a-b=a+(-b)
9. Definition of Division
Let a, b, & c represent real numbers.
a÷b== a ⋅ , b≠0
10. Distributive Property for Subtraction
Let a, b, & c represent real numbers.
a(b-c)=ab-ac
11. Multiplication by 0
Let a, b, & c represent real numbers.
0⋅a=0
12. Multiplication by -1
Let a, b, & c represent real numbers.
-1⋅a=-a
13. Opposite of a Sum
Let a, b, & c represent real numbers.
-(a+b)=-a+(-b)=-a-b
14. Opposite of a Difference
Let a, b, & c represent real numbers.
-(a-b)=-a+b=b-a
15. Opposite of a Product
Let a, b, & c represent real numbers.
-(ab)=-a⋅b=a⋅(-b)
16. Opposite of a Opposite
Let a, b, & c represent real numbers.
-(-a)=a

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