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Two brutal tests — can you pass them? — Tyler Cowen
Fun distraction.
Marginal Revolution Two brutal tests — can you pass them? Tyler Cowen | Holbert C. Harris Chair of Economics at George Mason University and serves as chairman and general director of the Mercatus Center
Right now hitting the old science books to prepare myself for any questions my kid may have in chemistry, physics and math. She did so well last year that she was placed this year (Grade 11) in the enriched science program.
So first topic in math is "Linear Programming" (Optimization). That's just a fancy way of solving linear systems of two equations and two unknowns, and the key to making this topic easy (because it is) is to tie up loose ends; in other words, quickly review linear equations and the 3 different methods available to solve systems of two equations (graphing,substitution, elimination). Do that first and the rest is as easy as 1...2... 3. :)
2 comments:
thanks, Tom. I will have a look later :)
Right now hitting the old science books to prepare myself for any questions my kid may have in chemistry, physics and math. She did so well last year that she was placed this year (Grade 11) in the enriched science program.
So first topic in math is "Linear Programming" (Optimization). That's just a fancy way of solving linear systems of two equations and two unknowns, and the key to making this topic easy (because it is) is to tie up loose ends; in other words, quickly review linear equations and the 3 different methods available to solve systems of two equations (graphing,substitution, elimination). Do that first and the rest is as easy as 1...2... 3. :)
Tests were invented to give jobs to failed teachers.
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