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VOCAB TERMS

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Term
Definition
Reference Point   A specific location on an object or in an object's environment used to monitor change of position.  
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Position   An object's location at a given time(where an object is). Symbol: x  
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Initial Position   An object's starting position. Symbol: xi  
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Final Position   An object's ending position. Symbol: xf  
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Delta   Change in value. Symbol: (triangle)  
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Distance   How much (the amount) an object's initial and final positions change; always positive in value. Symbol: d d=(triangle)x d=1xf-xi1  
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Motion   A change in position.  
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Best Fit Line or Line of Best Fit   A straight line drawn through the center of a group of data points.  
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Increment   A fixed amount.  
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Direct Relationship or Positive Correlation   The x or y values data points both increase in value or they both decrease in value.  
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Indirect Relationship or Negative Correlation   The x value data points increase, but the y value data points decrease or the x value data points decrease, but the y value data points increase.  
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Cyclic Relationship   The x value data points and the y value data points go up and down in a predictable pattern.  
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Non-Related Relationship or Scattered   There is no correlation between the x value data points and the y value data points.  
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