Using Graphs & Geometry 75
Points and Lines Menu Tools
3: Geometry Trace Enables you to view the pathway of a
geometric or analytic object (such as a function
graph) on the work area. The pathway has a
delayed fade. As more movement occurs on
the work area, older portions of the pathway
fade. If you temporarily halt movement, a
portion of the trace path remains displayed.
4: Erase Geometry
Trace
Halts geometric trace and erases all persistent
pathways on the work area.
Tool name Tool function Press:
1: Point Constructs a point defined in free
space, on an object, or at the
intersection of two objects.
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2: Point On Constructs a point defined on an
object. When the object is a function
graph, the coordinates are displayed.
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3: Intersection
Point
Constructs a point at each
intersection of two selected objects.
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4: Line Constructs an infinite line defined by
two points or by a point and a
direction. If you press
g while
creating the line, you limit its
orientation, relative to the x-axis or
the horizontal aspect of the screen,
by 15- increments.
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5: Segment Constructs a segment, defined by
two end points, which may be
created or defined in free space or
on a defined object. If you press
g
while creating the segment, you limit
its orientation, relative to the x-axis
or the horizontal aspect of the
screen, by 15- increments.
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Tool name Tool function
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