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