In a linear equation, ALL of the terms have a degree of 0 or 1. Anything else is non-linear. Note: A constant term, that is a term containing no variable, is a degree zero term. The degree of a term is the sum of the exponents on all variable factors in that term. So is a 1st degree term (no exponent is understood to be an exponent of 1), but is a 2nd degree term because the SUM of the exponents is 1 + 1 = 2. Also, any variable in a denominator of a rational expression has a negative exponent. For example, is a non-linear term.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
