Graphing Square Root Functions

Overview

Goal. Graph a square root function from its starting point, evaluate it at perfect squares, and state its domain and range.

Square root function (definition). A function that contains a square root of the variable, like f(x) = the square root of x.

The parent square root function, its domain and range, and shifts in all four directions.

Lesson Notes

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Notes page

Lesson Video

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Interactive Activity

Goal. Graph square root functions: find where the graph starts, evaluate at perfect squares, and read the domain and range from the shifts.

Square root function (definition). A function that contains a square root of the variable, like f(x) = the square root of x.

Graphing Square Root Functions — Interactive ActivityOpen ›