Using Verify - Casio ClassPad II fx-CP400+E User Manual

Graphing calculator
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Tip:
The following shows what happens when you drag a figure from the Geometry window to the work area.
Dropping this into the work area:
Point
Line
Vector
Circle, Arc, Ellipse, Function, or Curve
Polygon
Open Polygon (Created by Animation)
Line Pair
A point and its image under a transformation

2-10 Using Verify

Verify provides you with a powerful tool to check whether your numeric or algebraic manipulations are correct.
Verify will assist you in simplifying an expression by verifying whether or not the expression you entered is
equivalent to your original expression. If it is, you will get a pleasant response; if not, you will need to correct
your mistake before continuing.
u To start up Verify
1. On the work area window, tap the right most
toolbar down arrow button.
2. On the icon palette that appears, tap W.
u Verify window menus and buttons
• Clear the Verify window ............................................................................... File - New, Edit - Clear All or O
• Open or save a file ............................................................................................File - Open, File - Save or {
• Specify the complex number calculation range for Verify ...........................................................................T
• Specify the real number calculation range for Verify ..................................................................................Y
• Specify the positive real number calculation range for Verify .....................................................................U
• Verify the equation starting from the first line ..............................................................................................!
• Verify the equation starting from the current line ........................................................................................"
0244
To factor 50 completely
0245
Continuing from example
Displays this:
Coordinates as a vector (2 × 1 matrix)
Equation of the line
An ordered pair (head of vector assuming the tail is at the origin)
Corresponding equation
n
2 ×
n
× 2 matrix
Simultaneous equations for the pair
Matrix expression for the transformation
x
2
0244
, to rewrite
+ 1 in factored form
matrix
Left-side expression
Right-side expression
Chapter 2: Main Application  94

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