
y = ax
2
[Level 1]
y = (x+h)
2
[Level 2]
y = x
2
+ v
y = a(x+h)
2
+ x [Level 4]
Choose a general form by tapping the Level button— , and so on—until the form you want
is displayed. The keys available to you to manipulate the graph vary from level to level.
Equation mode
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 eect on the graph displayed. Press
or to decrease or increase the value of the selected parameter. Press or to select another
parameter. Press
to change the sign. You have four forms (or levels) of graph, and the keys available
for manipulating the equation depend on the level chosen.
Test mode
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.
Quadratic Explorer app 341
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