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2-8.

Plot the following points on a sheet of graph paper and connect them in the order given. Then connect points and . Homework Help ✎

  1. A rectangle is a four-sided polygon with four right angles. Does the shape you graphed appear to be a rectangle? Use slope to justify your answer.

    Use the graph to help find the slopes. How do the slopes of perpendicular lines compare?

  2. If is rotated clockwise () about the origin to form , what are the coordinates of the vertices of ?

    Since the origin is at rotate each point in correlation to this point.

    .