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Understanding the slope-intercept form of a line.

Author:Ramesh Parameswaran

1. What is the value of "m" when the graph of the green line is horizontal?

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2. When c= -2, let the graph of the green line meet the y-axis at a certain point, say (x, y). What is the value of x+y?

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3. When the m-slider is left undisturbed and the c-slider is changed, the y-intercept of the line moves ____

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4. When the c-slider is left undisturbed and the m-slider is changed, the y-intercept of the line moves____

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5. When both the m and c sliders are set to 0, the green graph of the line intersects with ____________

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