2.1.3

Algebraic Vocabulary

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Algebraic Vocabulary

Here are some technical terms for algebra:

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Term

  • A term is anything which does not include a plus or minus:
    • 3x²
    • 5x2y
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Expression

  • An expression is when terms are combined without an '=' sign:
    • 3x
    • 6c(5a - b² + 8)
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Equation

  • An equation is when terms are combined and a ‘=’ sign is used:
    • 5x = 3y
    • a + b - c = 0
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Inequality

  • An inequality is when inequality symbols are used (<, ≤, >, ≥):
    • 5x < 3
    • y ≥ 3x - 2
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Identity

  • An identity is when two lines are equivalent for any values of x or y.
  • The identity symbol () is used.
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Formula

  • A formula is a general rule describing a relationship:
    • area of a circle = πr2
    • speed = distancetime
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Factor

  • A factor is a quantity which divides an expression exactly:
    • 3 is a factor of 9 and of 12
    • 2x is a factor of 4x and of 8x3

Jump to other topics

1Number

1.1Using Numbers

1.2Fractions, Decimals & Percentages

1.3Powers & Roots

1.4Accuracy

2Algebra

2.1Introduction to Algebra

2.2Manipulating Algebra

2.3Proofs & Functions

2.4Straight Line Graphs

2.5Common Graphs

2.6Transformations & Tangents

2.7Properties of Graphs

2.8Solving Equations

2.9Inequalities

2.10Sequences

3Ratio

4Geometry

4.1Introduction to Geometry

4.2Triangles & Quadrilaterals

4.3Transformations

4.4Circle Basics

4.5Circle Theorems

4.6Measurements & Units

4.7Calculating Area

4.8Triangle Formulae

4.93D Shapes

4.10Vectors

5Probability

6Statistics

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