Expressions Vocabulary

Equivalent Expressions

• Expressions that have the same value for all values of the variables.

• Expressions that are identical in form but not in value.

• Expressions that can be simplified to a single term.

• Expressions that are always equal to zero.

Algebraic Expression

• A mathematical phrase that contains at least one variable.

• A number without any variables.

• A mathematical statement that is always true.

• A type of equation that has no solution.

Base

• The number that is multiplied by itself a certain number of times.

• The result of multiplying a number by itself.

• The number that is used as a factor when a number is raised to a power.

• The exponent that indicates how many times to multiply the base.

Exponent

• The number that indicates how many times the base is used as a factor.

• A mathematical operation that combines two numbers.

• A symbol used to denote a variable in an equation.

• The result of multiplying a number by itself.

Term

• The parts of an expression that are multiplied or divided.

• The parts of an expression that are added or subtracted.

• The coefficients in an expression.

• The variables in an expression.

Coefficient

• The number that is multiplied by the variable in an algebraic expression.

• A constant term in an equation.

• The sum of all terms in an expression.

• The variable in an algebraic expression.

Substitution

• The process of adding variables to an expression.

• The replacement of the variable in an expression with a number.

• The method of solving equations by factoring.

• The act of simplifying an expression by removing terms.

Evaluate

• To find the value of a numerical or algebraic expression.

• To simplify an expression without calculating its value.

• To compare two expressions and determine which is larger.

• To convert an expression into a different form.

Numerical Expression

• A mathematical phrase that consists of numbers and operation symbols.

• A type of equation that includes variables and constants.

• A graphical representation of mathematical functions.

• A statement that shows the relationship between two quantities.

Like Terms

• Terms with different variables raised to the same exponent.

• Terms that are completely unrelated.

• Terms with the same variables raised to the same exponent.

• Terms that have no variables at all.