 |
|
|
|
|
|
|
|
|
-4 squared and (-4) squared |
2009-09-29 |
|
Andrea pose la question :
Is -4 squared the same as (-4) squared? I am thinking the first is -16 and the second is +16. I am trying to clarify for my students.
Penny Nom lui répond. |
|
|
|
|
|
|
Using FOIL for (2x - 6)^2 |
2007-05-18 |
|
TONI pose la question :
I am having a problem finding examples of how to solve (2x-6)^2.
Stephen La Rocque lui répond. |
|
|
|
|
|
|
Squaring numbers |
2006-10-08 |
|
Timothy pose la question :
did anyone ever try to teach that the easiest way to find the next square in a group of numbers is to add the next odd number in the sequence. for example: 1 squared is 1, 2 squared is 4,difference of 3.the next odd number is 5 so the next square would be 4 +5 or 9
Paul Betts and Penny Nom lui répond. |
|
|
|
|
|
|
(a+b) squared and a squared plus b squared |
2001-11-14 |
|
Kristen pose la question :
(a+b)2 = a2 + b2 Is this true for all whole numbers, and why?
Penny Nom lui répond. |
|
|
|
|
|
|
Squaring the circle |
2001-10-23 |
|
Margaret pose la question :
I have the following question that I cannot answer on my own (I don't know where to begin): Is it possible construct a square whose area will equal the area of a given circle? Please Explain why or why not.
Penny Nom lui répond. |
|
|
