A | B |
numerical expression | an expression that contains only numbers & symbols |
variable | a symbol, usually a letter, used to represent a number in an expression/equation |
algebraic expression | an expression which contains variables and operations |
evaluate | find the value of |
simplify | to find an equivalent expression that is simpler than the original |
like terms | a and 2a are both multiples of a; they are like terms |
inequality | a mathematical statement that two expressions are not equal |
equation | a mathematical statement that two expressions are equal |
true | an equation is true when the expressions on both sides have same value |
solve | to work out a solution |