Concept explainers
To determine the question that would challenge classmate conjecture.
Explanation of Solution
Given information :
Classmate says that all lines have positive or negative slopes.
This is not true. All lines do not have only positive or negative slopes.
It may be zero or undefined. The two axes on the graph are the best examples of the slope zero and undefined. All the horizontal lines parallel to the
Hence the question that would challenge the classmate’s conjecture is,
What about the slopes of horizontal and vertical lines on the graph?
Chapter 3 Solutions
Geometry, Student Edition
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