**Linear equation**: An algebraic equation, such as y = 2x + 7 or 3x + 2y - z = 4, in which the highest degree term in the variable or variables is of the first degree. The graph of such an equation is a straight line if there are two variables.

Resources for this term:

Solving Linear Equations in Two Variables

Students solve a problem using two linear equations with two variables and interpret the meaning of algebraic expressions.

Generalizing Patterns: Table Tiles

Students solve the problem of how many different tiles are needed to create a pattern at various sizes and explore alternative algebraic and geometrical approaches using linear and quadratic relationships.

Modeling Situations With Linear Equations

Students explore relationships between variables in everyday situations using graphs, tables, and formulae.