Linear equations may be solved by isolating the variable or variables. Solving linear equations involves undoing whatever operations have been done to the variable and putting the variable alone on one side of the equal ... More » Math Algebra

To write linear equations from word problems, the student must first decide which quantities to assign variables to, and then decide what operations must be performed in order to solve the problem. For example, the unkno... More » Math Numbers

The drag equation is a formula used to calculate the force of drag experienced by an object due to movement through a fully enclosing fluid. The drag equation is D = Cd * A * .5 * r * V^2. The drag equation states that d... More » Science Physics Motion & Mechanics
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Linear algebra originated as the study of linear equations and the relationship between a number of variables. Linear algebra specifically studies the solution of simultaneous linear equations. More » Math Algebra

Linear graphs represent the behavior of dependent variables that sit along a straight line with regard to independent variables, while nonlinear graphs represent variables that don't. Common functions that result in nonl... More » Math Algebra

The graph of a linear equation forms a straight line, while a non-linear equation's graph does not form a straight line.Most equations can be graphed on a Cartesian coordinate plane using the variables x and y. More » Math Algebra

A simultaneous equation solver is an online tool that provides answers for equations that involve two or more unknown variables. Some solvers show the steps involved as well. The solver may either use the substitution or... More » Math Algebra