Evaluating -(x+y) and -x-y : Are they equivalent

This applet allow the teacher to show quickly to students why -(x+y) is the same as -x-y The concept of equivalence between (3x)^2 and 9x^2 can also be illustrated by the fact that no matter what value of x is substituted with in the slider (x)

 

Lew W. S.

 
Materiaaltype
Werkblad
Tags
algebra  expansion  tutorial 
Doelgroep (leeftijd)
3 – 19+
Taal
English
 
 
 
© 2025 International GeoGebra Institute