Points in the coordinate plane with integer coordinates.
he least common multiple of two or more natural numbers is the smallest counting number that is a multiple of each of the given numbers.
In an expression, tyerms that have the same variables raised to the same exponents (so that they can be summed up).
A straight path that proceeds inifinitely in two directions.
A kind of plot for data, when dots are joined by segments. Also Broken line graph.
A line that divides a figure into to parts, each a mirror of the other.
A display of data along the real line, with some symbol indicating the frequency or tally of information about a single category.
A first degree euqation.
Two adjacent angles whose sum is 180°. (In Italian two angles with this property are simply "adiacenti").
The term with the variable at the first degree.
A set of points (in the line, in the plane or in the space) that satisfy a given condition.
A function of the form y = loga(x).
See Fraction.