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# Algebra &expressions

TermDefinition
equation A mathematical sentence that shows that two expressions are equal; this will always have an = sign.
variable A symbol, which is usually a letter, that is used to represent a number
coefficient the numerical factor of a term that contains a variable
constant a term without a variable
term Each part of an algebraic expression, separated by a + or - sign
algebraic expression A combination of variables, numbers, and at least one operation
inequality A mathematical sentence indicating that two quantities are not equal
distributive property To multiply a sum by a number, multiply each addend by the number outside the parenthesis
equation The statement 15 + 8y= 31 is an example of this.
variable In the example 4m - 2= 16, m represents the: ____________
coefficient In the example 3y, 3 represents the: ______
constant In the example 2x + 7 = 42, 7 represents the: _________
term In the following, there are 4 of these: 9m - 7 + 3y - 4
algebraic expression The following represents a(n): _______________: 9v-8. (This is very similar to an equation, but does NOT have two sides, and will NOT contain an = sign.)
inequality To say that 12x is not equal to 45 is an example of ___________
distributive property Showing that 5(x+4)= 5x + 20 is an example of the ________
Created by: clavery