Outcomes
        In this lesson you will 
        - Rewrite equations of circles to isolate the y variable. 
- Use the rearranged version to graph the circle using a graphing calculator. 
- Explore transformations of circles using the graphing calculator. 
By the end of this section you should be able to: 
        - Analyze and translate between symbolic, graphic, and written representations of circles and ellipses. 
- Translate between different forms of equations of circles and ellipses. 
- Write proofs using various axiomatic systems and assess the validity of deductive arguments. 
- Write the equations of circles and ellipses in transformational form and as mapping rules to visualize and sketch graphs. 
- Demonstrate an understanding of the transformational relationship between a circle and an ellipse. 
- Apply properties of circles. 
- Solve problems involving the equations and characteristics of circles and ellipses.
Prerequisites
        To be successful in this lesson, it would be helpful to know the following: 
        
        - An understanding of square roots. 
- How to rewrite an equation to isolate a given variable. 
- How to use the graphing calculator to graph equations. 
- How to obtain the appropriate window settings for graphs when using a graphing calculator.