You can use the center and the radius of a circle to write an equation for the circle.
What is an equation of the circle with center
How do you know which equation to use?
Since this circle is not centered at the origin, use the standard form equation.
An equation of the circle is
Check Solve the equation for y. Enter both functions into your graphing calculator.
What is an equation for the translation of
Know | Need | Plan |
---|---|---|
The original equation that is translated 4 units left and 3 units up | The equation and graph of the translation |
|
How does the translation help you draw the graph?
Use the translation to determine the new center coordinates.
Graph the given equation and the translation.