๐Ÿš€ Algebraic Symbols: Exam Short-Note

๐Ÿ”ข 1. Basic Math Symbols

  • Digits: The numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. All numbers are written using these!
  • Operations: Addition (+), Subtraction (โˆ’), Multiplication (ร—), Division (รท).

โœ… 2. Known Terms

  • A constant value that we already know.
  • Always expressed as a number.
  • Example: 7 days in a week. The "7" is a known term.

โ“ 3. Unknown Terms

  • A constant value that is currently hidden or not known to us.
  • Expressed using simple English letters (algebraic symbols like a, b, l, h).
  • Example: The height of a flagpole is h metres.

๐Ÿฅฅ 4. Variables (The Shapeshifters)

  • Values that change and do NOT have a fixed/constant value.
  • Denoted using English letters (algebraic symbols like x, y, z).
  • Example: The price of a coconut at the market is Rs x (prices change based on size).
  • Example: The daily rainfall is y.