Where $f(x)$ is the output value $y$ for a given $x$ in a function.
A relation in which no two ordered pairs have the same first component and different second components.
The method of expanding a product of two binomials by multiplying the first, outer, inner, and last terms of the original product.
Factoring an expression until it cannot be factored further.
The reverse process of multiplying polynomials using the distributive property.
If $a$ and $b$ are positive integers, then $a$ is a factor (or divisor) of $b$ if and only if a divides evenly into $b$.