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South Habersham Middle School 8th Grade Math Powertime Vocabulary Unit 4

Proportional Relationships A relationship between two equal ratios.
Slope The "steepness" of a line. It can be found directly when a linear equation is in slope-intercept form (y = mx + b). The slope is the coefficient of x and is represented by the letter m. Slope is the ratio of rise to run between two points on a line.
Unit Rate A comparison of two measurements in which the second term has a value of 1. Unit rates are used to compare the costs of items in a grocery store.
Linear A relationship or function that can be represented by a straight line.
Non-linear A relationship which does not create a straight line.
Rate of Change The ratio of the change in the output value and change in the input value of a function.
Bivariate Data Two different response variables that are from the same population.
System of Linear Equations Two or more equations that together define a relationship between variables.
Simultaneous Equations Another name for a system of Linear Equations.
Created by: hbogue