# Transform #7

- Author:
- David Cox

**Move Point A. What do you notice?**

**Prediction**If

**A**is (0,5), where is

**B**? If

**is (-12, 10), where is**

**A****? If**

**B****is (245, 157), where is**

**A****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".

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