Comparing Graphs of Lines

In this worksheet, you will be comparing 4 different lines. One (black) is fixed. It is the line y = x. The other three are some how changed. Move sliders a and b to see how the lines change. You can reset the construction as necessary.

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1. How does the slider a change the line? What is the formal name of a?

2. How does the slider b change the line? What is the formal name of b?

3. How do the red and blue lines compare to the purple line?

Catherine O'Neill, Created with GeoGebra