Quadratic Equation

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Before the Quadratic Equation, you have to know What is Linear Equation &  Cubical Equation.

Linear Equation (x1) : x Power is 1 is called Linear Equation.

General or Standard Form: ax + b = 0

For Example:

  • x + 5 = 0
  • 5x + 3 = 0
  • 7x + 5 = 0
  • 2x – 3 = 0 
  • 10x – 45 = 0

 

Quadratic Equation (x2) : x Power 2 is called Quadratic Equation.

General or Standard Form: ax2 + bx + c = 0

For Example:

  • x2 + 8x + 8 = 0
  • 2x2 + 5x +  3 = 0
  • 8x2 + 7x + 5 = 0
  • 10x2 + 2x – 3 = 0 
  • 4x2 + 10x – 45 = 0

 

Cubical Equation (x3) : x Power 3 is called Cubical Equation.

General or Standard Form: ax3 + bx2 + cx + d = 0

For Example:

  • x3 + 2x2 + 8x + 8 = 0
  • 5x3 + 2x2 + 5x +  3 = 0
  • 10x3 + 8x2 + 7x + 5 = 0
  • 9x3 + 10x2 + 2x – 3 = 0 
  • 5x3 + 4x2 + 10x – 45 = 0

 

Find the value of a, b & c in Quadratic Equation?

Quadratic Equation Compare with Standard Form A B C

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