Parabola – Turning Technologies ExamView User Manual
Page 131
ExamView Test Generator
131
Parabola
1
Insert a Cartesian graph into a question, answer, matching
group, rationale, feedback, or narrative. To edit an existing
graph, double-click the graph or click Format from the
menu bar and select Format Graph.
2
Click the Functions tab, select Parabola from the drop-
down menu and click New.
3
Select a parabola type. The parabola can be open
horizontally or vertically, and have the vertex on the origin
or on an arbitrary point.
4
Select a relation from the drop-down menu: equals, less
than, less than or equal to, greater than; or greater than or
equal to.
The relation determines the line style for the parabola as
well as whether the area above or below the parabola is
shaded.
5
Enter a value for a (the distance between the vertex and
the focus).
NOTE
Variables can be used as values for the distance between the vertex and the focus and the
vertex coordinates.
6
Enter values for h and k (vertex), if the vertex is not on the origin.
7
Enter the domain of the parabola. By default, the domain is from -inf(infinity) to inf(infinity)..
8
Optionally, to display the parabola only if a certain condition is met, enter the condition in the field following Display
function (only if).
9
To change the drawing style for the parabola, click the Pattern drop-down menu .
10
To change the color of the parabola, click the Color drop-down menu .
11
To change the style for the shaded region, click the Shading drop-down menu . If the relation is ”r;=”, the shading style
is not used.
12
Click Apply to view your changes in the editing window or click OK to record your changes and close the New Parabola
window.
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