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Alg1A Unit 3
Solving Linear Equations
Term | Definition |
---|---|
Linear Equation | An algebraic expression made up of one or two variables with an exponent of 1, coefficient(s), and a constant |
Variable | A symbol, usually a letter, that represents one or more numbers |
Coefficient | The numerical factor when a term has a variable |
Constant | Any real number in an expression |
Addition Property of Equality | A property stating that you can add the same value to both sides of an equation, and both sides of the equation will remain equal |
Subtraction Property of Equality | A property stating that you can subtract the same value from both sides of an equation, and both sides of the equation will remain equal |
Multiplication Property of Equality | A property stating that you can multiply the same value to both sides of an equation, and both sides of the equation will remain equal |
Division Property of Equality | A property stating that you can divide both sides of an equation by the same value, and both sides of the equation will remain equal |
Rate of Change | A rate that describes how one quantity changes in relation to another quantity |
Initial Value | The value of the situation when the variable is equal to 0 |
Like Terms | Terms in an expression that have the same variable to the same power |
Commensurable Units | Units of physical quantities of the same kind, i.e. length, time, and mass |
Accuracy | How close a measurement is to a specified value |
Precision | When measurements or locations are consistent and repeatable, but it also means the level of detail provided by a measuring device |
Tolerance | An accepted amount of variation in a product |
Literal Equation | An expression made up of two or more letters or symbols that each represent some arbitrary value |
Dimensional Analysis | The process of multiplying a quantity by the proper ratio of units to convert that quantity to the desired commensurate units |