Which of the following is NOT part of a circuit? a. rim
b.conductor
c.power source
d.load

• Algebraic expression is formed from variables and constants using

different operations.

• Expressions are made up of terms.

• A term is the product of factors. Factors may be numerical as well as

algebraic (literal).

• Coefficient is the numerical factor in a term. Sometimes, any factor

in a term is called the coefficient of the remaining part of the term.

• The terms having the same algebraic factors are called like terms.

• The terms having different algebraic factors are called unlike terms.

• Expression with one term is called a 'Monomial’.

• Expression with two unlike terms is called a 'Binomial’.

• Expression with three unlike terms is called a 'Trinomial’.

• In general, an expression with one or more than one term (with non-

negative integral exponents of the variables) is called a ‘Polynomial’.

• The sum (or difference) of two like terms is a like term with coefficient

equal to the sum (or difference) of coefficients of the two like terms.