Objectives
To graph square root functions
To translate graphs of square root functions
Square Root Functions
The Solve It involves a square root function. Square root functions are examples of radical functions.
A square root function is a function containing a square root with the independent variable in the radicand. The parent square root function is
The table and graph below show the parent square root function.
x | y |
---|---|
0 | 0 |
1 | 1 |
2 | 1.4 |
4 | 2 |
9 | 3 |
Essential Understanding You can graph a square root function by plotting points or using a translation of the parent square root function.