Expanding the walls of our classroom. This is an interactive learning ecology for students and parents in our Algebra 2 class. This ongoing dialogue is as rich as YOU make it. Visit often and post your comments freely.
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Tuesday, February 15, 2011
subtracting functions
when subtracting functions such as (f-g)(x) (4x^2+8x-7)-(-5x^2+4x-9) you distribute the negative. the subtraction sign is basically -1.
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