Linear Functions

Overview

Goal. Recognize linear functions from equations, tables, and graphs, and find the x- and y-intercepts of a line.

Linear function (definition). A function whose graph is a straight line. Its outputs change at a constant rate.

Linear functions, the parent function, constant rate of change, intercepts.

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Goal. Recognize a linear function from its equation, table, or graph, and read its x- and y-intercepts.

Linear function (definition). A function whose graph is a straight line. Its outputs change at a constant rate.