What is Linear and Non Linear?

In Algebra, there are mainly two types of equations, linear and nonlinear equations. Based on the variables and exponents, equations are classified as linear or nonlinear. Linear equations define as an equation having the highest exponent one whereas non linear equations have the highest exponent 2 or more, but not less than 2. Read More.


Linear Equations:

  • A linear equation is of the form, y = mx + C.
  • Linear equations are graphed as a straight line and have a slope as constant.
  • For example, 2x + 3 = 0, 1/2 = x, 2×2 – 8 = 0 and z = 2z – 1 are linear equations. The highest power of each equation here is one.

Nonlinear Equations:

  • A simple non-linear equation is of the form: Ax2 + By2 = C.
  • It looks like a curve in a graph and has a variable slope value.
  • For example, 2×2 + 5 = 0, 5y = x2 and x2 + y2 = 5 are nonlinear equations. The highest power of each equation here is two.


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