Variable - A symbol that represents an unknown or changing number. Ex: x or y
Coefficient - The number being multiplied by a variable, usually directly in front of the variable Ex: the 3 in 3xy
Expression - A collection of symbols representing a quantity that does not involve an equal sign. Ex: 7xy - 5y
Evaluate - To substitute a given number for the variable(s) in an expression and simplify.
Equation - A math sentence involving an equal sign. Ex: 2x + 4 = 28
No comments:
Post a Comment