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Home > INT1 > Chapter 2 > Lesson 2.2.2 > Problem 2-63

2-63.

Explain what the slope of each line below represents. Then determine the slope and give its units.

  1. A first quadrant coordinate plane with x axis labeled Time in minutes and the y axis labeled Height of Candle in centimeters. There is a horizontal line starting at (0, comma 21) going in the positive direction.

    The slope represents the change in height of a candle per minute.

    The line is horizontal and shows no change; therefore, the slope is zero and the candle is not burning.

  1. A first quadrant coordinate plane with the x axis labeled Time in months and the y axis labeled Water in a Storage Tank in gallons. A line segment starts at (0, comma 9000) and goes to (10, comma 0).

    The slope represents the gallons per month of water being removed from a well.

    Using a slope triangle, find the distances of both legs of the triangle. Remember that the slope is the rise over the run, or the change in over the change in .

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