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Vocabulary terms for sections 1-1, 1-2, 1-3, 1-4, 2-1, 2-2, and 2-4

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Opposite   The additive inverse of any number a is -a.  
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Additive Inverse   The opposite of any number a is -a.  
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Reciprocal   The multiplicative inverse of any nonzero number a is 1/a.  
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Multiplicative Inverse   The reciprocal of any nonzero number a is 1/a.  
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Absolute Value   The distance from zero on the number line.  
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Variable   A symbol, usually a letter, that represents one of more numbers.  
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Expression   Combination of one or more variables.  
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Evaluate   Substitute numbers for variables in an expression and follow the order of operations.  
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Term   A number, variable, or the product of a number and one or more variables.  
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Coefficient   The numerical factor in a term.  
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Solution of an equation   A number that makes an equation true.  
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Compound Inequality   A pair of inequalities joined by "and" or "or".  
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Relation   A set of pairs of input and output values.  
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Domain   The set of all inputs, or x-coordinates of ordered pairs.  
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Range   The set of all outputs, or y-coordinates of ordered pairs.  
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Mapping Diagram   Links the elements of the domain with corresponding elements of the range.  
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Function   A relation in which each element of the domain is paired with exactly one element in the range.  
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Linear Function   A function whose graph is a line.  
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Dependent Variable   y variable  
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Independent Variable   x variable  
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y-intercept   Point at which the line crosses the y-axis.  
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x-intercept   Point at which the line crosses the x-axis.  
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Standard form of a linear equation   Ax + By = C  
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Slope   The ratio of the vertical change to a corresponding horizontal change. Rise over run.  
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Point-slope form   y – y1 = m(x – x1)  
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Slope-intercept form   y = mx + b  
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Created by: SHSMath
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