Review of Algebra
Integers
{ …, −4, −3, −2, −1, 0, 1, 2, 3, 4, …}
Positive Integers (Natural Numbers)
{1, 2, 3, 4, 5, …}
Nonnegative Integers (Whole Numbers)
{0, 1, 2, 3, 4, 5, …}
Rational Numbers
A rational number is a number of the form p/q, where p and q ≠ 0 are integers.
Irrational Numbers
An irrational number is a number that cannot be written in the form p/q, where p and q ≠ 0 are integers.
Real Numbers
The set R of real numbers is the union of the sets of rational and irrational numbers.
Laws of Exponents
Negative Exponent
Radical
Rational ...
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