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One-Step equations and inequalities

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Term
Definition
Addition Property of Equality   Adding the same number to each side of an equation produces an equivalent expression.  
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Constant of proportionality   The constant value of the ratio of two proportional quantities x and y; usually written y = kx, where k is constant of proportionality  
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Dependent variable   A variable that depends on other factors.  
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Direct Proportion (Direct Variation)   The relation between two quantities whose ratio remains constant. When one variable increases the other increases proportionally:  
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Division Property of Equality   States that when both sides of an equation are divided by the same number, the remaining expressions are still equal  
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Equation   A mathematical sentence that contains an equal sign  
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Independent variable   A variable that stands alone and isn't changed by the other variables you are trying to measure. For example, someone's age might be an independent variable.  
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Inequality   A mathematical sentence that contains the symbols < or >  
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Inverse Operation   A mathematical process that combines two or more numbers such that its product or sum equals the identity.  
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Multiplication Property of Equality   States that when both sides of an equation are multiplied by the same number, the remaining expressions are still equal.  
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Proportion:   An equation which states that two ratios are equal.  
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Solution   the set of all values which, when substituted for unknowns, make an equation true.  
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Substitution   the process of replacing a variable in an expression with its actual value.  
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Subtraction Property of Equality   States that when both sides of an equation have the same number subtracted from them, the remaining expressions are still equal.  
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Term   A number, a variable, or a product of numbers and variables.  
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Variable:   A letter or symbol used to represent a number or quantities that vary  
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Created by: nzaboroskie
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