Although favorable conditions for tornadoes in the United States can occur at any time, they are most common in spring and least common in winter. Because spring is a transitional period for the climate, there are more chances of cooler air meeting with warmer air, resulting in more thunderstorms.
linear. 1  of or relating to a line or lines. 2  made of or using lines: linear design. 3  in relation to length only; extended in a line.  designating or of a style of art in which forms are sharply delineated and line is emphasized over color, light and shadow, etc.
Definition of Linear Equation. Linear equation is an equation of the form Ax + By = C, where A â  0 and B â  0. The graph of a linear equation is a straight line.inear equation is an equation of the form Ax + By = C, where A â  0 and B â  0.