Bella's Hint-desk


This is a page for tips on math that readers of this blog may have hidden in their back drawers away from their paper hungry rats. Please comment to add your tips!

7 comments:

  1. a negative sign squared makes a positive sign.

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  2. When it says to factor completely you always double check to make sure you went all the way through and completed it.

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  3. There is no such thing as -0. If you were to have a problem like –(0)^2. The answer would not be -0, but only 0 as 0 trumps all.

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  4. If you want to find x and you have -x = -5, your x is equal to positive 5.

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  5. Useful Geometry symbols ∠, ┴, Δ & ||.

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