The objective of this activity is to understand that the slope a line is constant.

Choose any two points on a line and the slope will always calculate the same.

Directions:

1. Drag the points anywhere on the line and calculate the slope between these two points. Repeat this 2 or 3 times to verify that the your calculated slopes are the same.
2. Drag either (or both) sliders to produce another line. Repeat step 1.

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