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key words

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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Question
Answer
constant of variation   the constant ratio in a direct variation.  
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constant rate of change   the nrate of change in a liner relationship.  
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direct variation   the relationship between two variable quantities that have a constant ratio.  
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domain   the set of input values for a function.  
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function   a relationship which assigns exactly one output value for each input value.  
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function tabel   a tabel used to organize the input numbers,output numbers,and function rule.  
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function rule   the operation preformed on the input of a function  
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inverse variation   a relationship where the product of x and y is a constant k. as x increases in value, y decreases in value, x increases in value  
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linear functoin   a function for which the graph is a straight line.  
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range   the set of output values for a function.  
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rate of change   a rate that describes how one quantity changes in relation to another. a rate of change is usually expressed as a unit rate  
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slope   the rate of change between any two points on a line. the ratio of vertical change to horizontal change. the slope tells how steep the line is  
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