Learn and practice the following concepts tested for common core state standards initiative covering Grades 9-12: Reasoning with Equations and Inequalities.
Expressions are all the bits of math you get in problems that are not actually equations on their own. A central skill for Test Day is the ability to evaluate and transform expressions into easier things.
Think of a function as a map between inputs and outputs, where each input is mapped to exactly one output. On the GMAT, the most common functions are linear or polynomial equations.
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