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Pre-Algebra Mid Term

TermDefinition
Coefficient (1) the number in front of the variable.
Constant (1) a term without a variable
Equation (1) a mathematical sentence containing an =
Variable (1) a letter that represents an unknown number
Translation (2) when a figure slides by moving every point the same distance and direction
Reflection (2) when a figure flips over a line so that each point is the same distance from the line
Rotation (2) when a figure turns around a fixed point
Dilation (2) when a figure shrinks or grows by a scale factor
Congruent (3) two figures that are the same shape AND size, or two angles with the same measurements.
Similar (3) two figures that are the same shape, and whose sides relate by the same scale factor
Transversal (3) a line that intersects two or more parallel lines
Supplementary (3) angles whose sum is 180
Slope (4) rate of change (slope is represented by "m")
Slope-intercept Form (4) a linear equation in the form
Y-intercept (4) starting value, represented by an equation
Rise (4) the change in- value between any two points on a line
Run (4) the change in x-value between any two points on a line
Scatter Plot (6) A Data display that shows the relationship between two Data sets using ordered pairs in a coordinate plane.
Outlier (6) a Data point that differs significantly from the rest of the data
Gap (6) is formed when the points are loosely arranged around the trend line, leaving an open space.
Cluster (6) when Data is "gathered" around a particular value.
Two- Way Table (6) a table displaying 2 categories of data from the same sources
Line of Fit (6) a line drawn on a scatter plot close to most of the data
Created by: user-2017257
 

 



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