What's My Rule #1?

What's my rule?

What's My Number Line Rule #1?

Drag point A along the number line and point B moves in response. What is the rule that point B follows?
What's my rule?

What's My Rule #1: Point Style!

Drag the point slowly around the coordinate plane. As you drag the point, it will take on one of the following three shapes:[br][br]
Describe precisely the rule the governs the shape of the point!

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