Transform #10
Move Point A.  What do you notice?  
Prediction
   If A is (0,5), where is B?
   If A is (-12, 10), where is B?
   If A is (245, 157), where is B?
Verbal Description
   Describe how you can find Point B if you know the coordinates of A. 
   Click the button to turn on the Draw feature.  What do you notice about the red and blue shapes?  
Look for Number Patterns
   Make a table for A and B and include at least five different pairs for each point.  What do you notice?
 
Rule
   Let's say the coordinates for Point A are (x, y).  What are the coordinates for Point B?   Your rule should use "x" and "y".