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# Alg1A Unit 3

### Solving Linear Equations

TermDefinition
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
Created by: schaffermath
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