math vocab

constant

A fixed value. In Algebra, a constant is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number. Example: in "x + 5 = 9", 5 and 9 are constants. If it is not a constant it is called a variable.

varible

A variable is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters x , y , and z are common generic symbols used for variables.

evaluate

Evaluate expressions. A variable is a letter, for example x, y or z, that represents an unspecified number. ... To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations.

term

In Algebra a term is either a single number or variable, or numbers and variables multiplied together. Terms are separated by + or − signs.

algebraic expression

Math Term Definition. Algebraic Expression. An algebraic expression is a mathematical phrase that can contain ordinary numbers, variables (like x or y) and operators (like add,subtract,multiply, and divide). ... The "3x" means multiply the variable x by 3.

expression

Math Term Definition. Algebraic Expression. An algebraic expression is a mathematical phrase that can contain ordinary numbers, variables (like x or y) and operators (like add,subtract,multiply, and divide). Here are some algebraic expressions: a + 1.

numeric expression

When you look at a problem with numbers, you are most likely looking at a numerical expression. A numerical expression is a mathematical sentence involving only numbers and one or more operation symbols. Examples of operation symbols are the ones for addition, subtraction, multiplication, and division.

coefficant

a numerical or constant quantity placed before and multiplying the variable in an algebraic expression

exponet

a quantity representing the power to which a given number or expression is to be raised, usually expressed as a raised symbol beside the number or expression