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11-34.
  1. Given the points A (3, 2) and B (–21, 0), determine each of the following. Homework Help ✎

    1. The slope of the line .

    2. The length of .

    3. The midpoint of .

    4. An equation of .

Take the average of the x-values, and of the y-values.

Use the slope you found in part (a) to find the y-intercept and write an equation.