Teacher2Teacher |
Q&A #740 |
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Gail is exactly right! Get yourself a set of some kind of algebra tiles and you will have no problem! There is a computer version of algeblocks if you cannot get the real tiles. www.math.swep.com You can also use a graphing calculator. Have the students graph (x+2)^2 listed at y1 and x^2+4 in y2. When they see the graphs are not equal, have them try x^2+4x+4 to get the SAME graph. -Claudia, for the Teacher2Teacher service |
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