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Home > CCG > Chapter 2 > Lesson 2.2.1 > Problem 2-69


A line going through (0, comma 3) and (4.5, comma 0).Examine the graph at right.  

  1. Find the equation of the line.

    What are the slope and ?

  2. Is the line perpendicular to this line? How do you know?

    Yes, it is perpendicular because the slopes are opposite reciprocals.

  3. On graph paper, graph if and . Then find the equation of .

    Graph the points. What are the slope and ?

  4. Find an equation of if  from part (c).

    Many answers are possible depending on your choice of . Your slope should be .

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