Activity Description Manipulate a linear function of the form f(x)=mx+b using slider bars. Explore the relationship between slope and intercept in the Cartesian coordinate system.

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Slope Slider

Place in mathematics curriculum:

This activity can be used to:

• introduce slope-intercept form of a line
• introduce slope and y-intercept

This activity allows the user to experiment with slope and y-intercept. This activity would work well in groups of two to four for about thirty to forty-five minutes if you use the exploration questions and fifteen to twenty minutes otherwise.

Preparations for this activity:

• answer the question "Which is the x-axis and which is the y-axis?"
• discuss slope, intercepts, and functions