6.11.b
Identify (a,b) and (a,-b) as reflections across the x-axis.
Example Problems
The graph of is a line segment joining the points and .
What are the endpoints of the segment ?
What are the endpoints of the segment ?
The graph of is a line segment joining the points and .
What are the endpoints of the segment ?
What are the endpoints of the segment ?
The graph of is a line segment joining the points and .
What are the endpoints of the segment ?
What are the endpoints of the segment ?

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