20021201
2-7-41
Using the Action Menu
uu
uu
u rewrite
Function: Moves the right side elements of an equation or inequality to the left side.
Syntax: rewrite (Eq/Ineq/List [
)
]
• Ineq (inequality) includes the “⫽” (not equal to) relational operator.
Example: To move the right side elements of x + 3 = 5x – x
2
to the left side
Menu Item: [Action][Equation/Inequality][rewrite]
uu
uu
u exchange
Function: Swaps the right-side and left-side elements of an equation or inequality.
Syntax: exchange (Eq/Ineq/List [
)
]
• Ineq (inequality) includes the “⫽” (not equal to) relational operator.
Example: To swap the left-side and right-side elements of 3 > 5x –2y
Menu Item: [Action][Equation/Inequality][exchange]
uu
uu
u eliminate
Function: Solves one equation with respect to a variable, and then replaces the same
variable in another expression with the obtained result.
Syntax: eliminate (Eq/Ineq/List-1, variable, Eq-2 [
)
]
• Ineq (inequality) includes the “⫽” (not equal to) relational operator.
Example: To transform y = 2x + 3 to x =, and substitute the result into 2x + 3y = 5
Menu Item: [Action][Equation/Inequality][eliminate]
uu
uu
u getRight
Function: Extracts the right-side elements of an equation or inequality.
Syntax: getRight (Eq/Ineq/List [
)
]
• Ineq (inequality) includes the “⫽” (not equal to) relational operator.
Example: To extract the right side elements of y = 2x
2
+ 3x + 5
Menu Item: [Action][Equation/Inequality][getRight]
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