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Home > CCG > Chapter 3 > Lesson 3.2.3 > Problem 3-77

3-77.

A line showing slope triangle, with the points C (negative 2, 1), M (2, 3), P (2, 1)Examine the graph of line at right.  

  1. Find the equation of .

    You can calculate the slope of the line by using the coordinates of points and in the formula below.

  2. Find the area and perimeter of .

  3. Write an equation of the line through point that is perpendicular to .

    The slopes of perpendicular lines are negative reciprocals.