Algebra

usgb/ˈældʒɪbrə/
noun

A branch of mathematics that uses letters and symbols to represent numbers and relationships between them.

She is studying algebra in her math class.
Visual representation of "algebra" - A branch of mathematics that uses letters and symbols to represent numbers and relationships between them.

Often appears as...

  • study algebra
  • solve algebra
Definition 1 of 2
Visual representation of "algebra"
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Not Just Numbers

Algebra uses symbols, often letters, to stand in for unknown numbers in equations.

Illustration for Not Just Numbers
Find the value of 'x' in the equation x + 5 = 9.
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Problem Solving

Algebra is often about finding the missing numbers that make an equation true.

Illustration for Problem Solving
If 3a = 9, what does 'a' equal?
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Real-World Use

Used for calculating things in real life, like expenses, distances, or time.

Illustration for Real-World Use
Price of 5 apples (a) is $10: 5a = 10.
Word comparison image

Compare with

arithmeticcalculusequationformulageometrymathematicstrigonometryvariable
Visual representation of the word "Algebra"

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