Main Street is parallel to Park Street. Park Street is parallel to Elm Street. Elm is perpendicular to Willow. How does Willow compare to Main?

The line which is the graph of  is transformed by the rule . What is the slope of the image?

Select all equations whose graphs are lines perpendicular to the graph of .

Match each line with a perpendicular line. 

Select all points on the line with a slope of that go through the point .

One way to define a circle is that it is the set of all points that are the same distance from a given center. How does the equation  relate to this definition? Draw a diagram if it helps you explain.