Linear functions. Mathematical Function? Relationship between two variables or quantities Represented by a table, graph, or equation Satisfies vertical.

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Presentation transcript:

Linear functions

Mathematical Function? Relationship between two variables or quantities Represented by a table, graph, or equation Satisfies vertical line test

Linear function? For a fixed change in one variable there is a fixed change in the other variable Slope stays the same

Linear Function? xy

We can do this for all of the data points, but easier to do in excel…

Deriving Linear Equation y = mx + b m = 2.5 Solve for b x = 3, y = 11 y = 2.5x + 3.5

Practice xy

Deception in excel

Activity Zero