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Intro to Algebra

Mike McGarry
Lesson by Mike McGarry
Magoosh Expert
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Algebra
Summary
The introduction to algebra focuses on understanding algebraic expressions, distinguishing between expressions and equations, and defining key terms such as variables, constants, terms, coefficients, and various forms of expressions.
  • Algebra involves variables and is concerned with finding patterns true for all numbers or solving for specific values.
  • Variables can represent all numbers or specific values, while constants remain unchanged.
  • Terms are products of constants and variables, and coefficients are the constant factors of terms.
  • Expressions are collections of terms joined by addition or subtraction, without equal signs, unlike equations.
  • Understanding the distinctions between monomials, binomials, trinomials, and polynomials is crucial for navigating algebraic expressions.
  • Linear, quadratic, and cubic terms are defined by the power of the variable they contain, influencing the structure of expressions.
Chapters
00:01
Understanding Algebra and Variables
00:31
Defining Key Algebraic Terms
03:11
Exploring Algebraic Expressions
03:24
Distinguishing Between Expressions and Equations