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Algebra Terms
Term | Definition |
---|---|
Equation | says that two things are equal. It will have an equals sign |
Variable | a symbol for a number we don't know yet. It is usually a letter like x or y. |
Constant | a number on its own in an equation |
Coefficient | a number used to multiply a variable |
Operator | is a symbol (such as +, ×, etc) that shows an operation (ie we want to do something with the values). |
Term | a single number or a variable, or numbers and variables multiplied together |
Expression | a group of terms (the terms are separated by + or − signs) |
Exponent | says how many times to use the value in a multiplication. |
Polynomial | monomial or the sum of monomials. |
Monomial | A constant (a number), a variable, or a product of constants and/or variables. |
Binomial | A polynomial with two terms. |
Trinomial | a polynomial with three terms |
Like Terms | terms whose variables (and their exponents such as the 2 in x2) are the same. |
Coordinates of a Point | The numbers of an ordered pair. |
Function | A relation in which each element of the domain is paired with exactly one element of the range. |
Ordered Pair | A pair of numbers that identifies the location of a particular point on a graph. |
Origin (on a graph) | The point of intersection of the coordinate axes. It is designated (0. 0). |
x-axis | The horizontal axis. |
y-axis | The vertical axis. |
Linear Equation in 2 Variables | An equation of the form y = mx + b. |