Subtest I Flashcards
Real Numbers
Include all rational numbers, all irrational numbers, positives and negatives, and integers. (not imaginary)
Natural Numbers
All of the positive integers (sometimes including 0, must state)
Whole Numbers
All of the positive integers (including 0)
Integers
Positive and negative whole numbers
Rational Numbers
Can be made by dividing two integers
Irrational Numbers
Real number that cannot be expressed as a ratio of two integers
Euclidean Algorithm
Way of computing the greatest common divisor (GCD)
Fundamental Theorem of Arithmetic
Every integer greater than 1 either is prime itself or is the product of prime numbers, and that this product is unique, up to the order of the factors.
Complex Numbers
A number that can be expressed in the form a + bi, where a and b are real numbers and i is the imaginary unit, satisfying the equation i-squared = −1.
Field
F,
Particular rings are not fields (integers, polynomial rings, matrix rings)