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Equation mode
Test mode
The Explorer apps
Tap
to move to
equation mode. In
equation mode, you use
the cursor keys to move
between parameters in
the equation and change
their values, observing
the effect on the graph
displayed. Press
\
value of the selected parameter. Press
another parameter. Press
have four forms (or levels) of graph, and the keys available
for manipulating the equation depend on the level chosen.
Tap
to enter test
mode. In Test mode you
test your skill at matching
an equation to the graph
shown. Test mode is like
equation mode in that you
use the cursor keys to
select and change the value of each parameter in the
equation. The goal is to try to match the graph that is
shown.
The app displays the graph of a randomly chosen
quadratic function. Tap the Level button to choose
between one of four forms of quadratic equation. You can
also choose graphs that are relatively easy to match or
graphs that are harder match (by tapping
respectively).
Now press the cursor keys to select a parameter and set
its value. When you are ready, tap
have correctly matched your equation to the given graph.
Tap
to see the correct answer and tap
exit Test mode.
or
=
to decrease or increase the
>
to change the sign. You
Q
or
to select
<
or
to see if you
to
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