"Lineales" refers to linear equations or functions that graph as straight lines on a coordinate plane. These equations typically take the form of y = mx + b, where m represents the slope and b is the y-intercept. The slope indicates the steepness of the line, while the y-intercept shows where the line crosses the y-axis. In mathematics, linear relationships are fundamental because they demonstrate a constant rate of change. This concept is widely used in various fields, including economics, physics, and engineering, to model relationships between variables and predict outcomes based on given data.