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 Related Terms
Solving an Equation:  Finding all the values of the variable(s) that make an equation true.
 Equivalent Equations: Equations that have the same solutions. Function: A rule of matching elements of two sets of numbers in which an input value from the first set has only one output value in the second set. Linear Equation: An equation whose solution is a straight line. Linear Function: An equation in which the graphs of the solutions form a (non-vertical) line. Linear Inequality: An inequality in two variables for which the graphs of the solutions form a half-plane on one side of a line and may or may not also form the line itself. Solution: A number (or ordered pair of numbers, or set of numbers) that produces a true statement when substituted for the variable(s) in an equation or inequality. Solving an Inequality: Finding all the values of the variable(s) that make the inequality true. Equation: A mathematical sentence that contains an equals sign. Variable: A letter or symbol used to represent a number.