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# Unit 1 Algebra

### Linear Equations and Modeling

TermDefinition
Slope-Intercept form of a line y = mx + b where y is the dependant variable and x is the independent variable.
Function A relation between to variables where every domain value (x) is mapped to only one range value (y).
Standard Form of a line ax + by = c where y is the dependant variable and x is the independent variable.
Parallel Lines Two lines on the same plane that never intersect that have the same slope.
Perpendicular Lines two intersecting lines that intersect at a 90 degree angle. They will have opposite and reciprocal slopes.
Slope Formula m = y1 - y2 / x1 - x2 where y is the dependant variable and x is the independent variable.
Positive Correlation a relationship between two variables such that as one variable increases, so does the other.
Negative Correlation a relationship between two variables such that as one variable increases, the second variable decreases.
Relatively No Correlation a relationship between two variables such that there is neither a positive nor negative correlation between the variables.
Created by: esisolak

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