There are many formulas in algebra, and they can be organized in different ways depending on the context.

Some common algebra formulas include:

  1. Quadratic formula: used to find the solutions of a quadratic equation (an equation of the form ax^2 + bx + c = 0)
    • x = (-b ± √(b^2 – 4ac)) / 2a
  2. Distance formula: used to find the distance between two points in a plane
    • d = √((x2 – x1)^2 + (y2 – y1)^2)
  3. Slope-intercept form of a linear equation: y = mx + b, where m is the slope and b is the y-intercept
  4. Factoring formulas:
    • difference of squares: a^2 – b^2 = (a + b)(a – b)
    • sum and product of roots of a quadratic equation: sum of roots = -b/a and product of roots = c/a
  5. Exponent properties:
    • Product of powers: (a^m) * (a^n) = a^(m+n)
    • Quotient of powers: (a^m) / (a^n) = a^(m-n)
    • Power of a power: (a^m)^n = a^(mn)
    • Power of a product: (ab)^n = a^n * b^n
    • Power of a quotient: (a/b)^n = a^n / b^n
  6. Formula of sum of n natural numbers: n(n+1)/2

Note: This is not the exhaustive list of all formulas, only some of the most common formulas were mentioned above.


Algebra is a branch of mathematics that deals with mathematical equations and formulas that involve one or more variables. The main concepts in algebra include solving equations and inequalities, graphing lines and parabolas, and manipulating polynomials. Algebraic equations can involve both numbers and variables, and solving an equation often requires using techniques like factoring, simplifying, and combining like terms. Many forms exist for writing algebraic equations, including standard form, vertex form, and factored form, depending on the context. Algebra, a fundamental area of mathematics, plays an essential role in understanding higher level mathematics and finds application in many fields such as physics, engineering, and computer science.

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