(Q) all numbers that can be expressed as an integer divided by an integer. These include all terminating and all recurring fractions. The set of rational numbers is a subset of the real numbers.
a cone with the line from the vertex to the centre of the base perpendicular to the base.
a quadratic expression or equation using one or more of the symbols <, >, ≤, or ≥.
the complete set of independent variables (x-values) that are possible for a given...