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 Basic Algebra
  The algebra questions that you will see on the GMAT will be pretty basic. You can tell quickly if the question involves algebra if you notice an x, y or z where you would normally expect to see a number
  Term: Variable
  Explain: The letter used to represent an unknown number is called a variable.

x is a variable in the following examples.

2x; 4x2; 5x

  Term: Coefficient
  Explain: When a variable is multiplied by another known number, that number (or constant) is the coefficient of the variable.

6 is the coefficient of x in the following example.

6x2

  Term: Constant
  Explain: A stand alone number in an equation.

7 is a constant in the following example.

x + y + 7 = 20

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 GMAT Math Review Topics...
Topic 1 : Basic Arithmetic
Topic 2 : Averages
Topic 3 : Factors/Multiples
Topic 4 : Fractions/Ratios
Topic 5 : Percents
Topic 6 : Powers
Topic 7 : Rates
Topic 8 : Basic Algebra
Topic 9 : Combine Terms
Topic 10 : Quadratic Eq
Topic 11 : Inequalities
Topic 12 : Substitution
Topic 13 : Basic Geometry
Topic 14 : Angles
Topic 15 : Polygons
Topic 16 : Triangles
Topic 17 : Circles
Topic 18 : Data Sufficiency
 GMAT Verbal Review Topics...
Topic 1 : Idiomatic Exp
Topic 2 : Modifiers
Topic 3 : Parallelism
Topic 4 : Pronouns
Topic 5 : Structure
Topic 6 : Style/Conciseness
Topic 7 : Subj/Verb Agreement
Topic 8 : Verb Tenses
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