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Vocabulary - Unit 2

Vocab. Words

integer The number..., -3, -2, -1, 0, 1, 2, 3,... consisting of the negative integers, zero, and the positive integers.
negative integer Integers that are less than zero.
number line a line with equal distances marked off to represent numbers
venn diagram uses circles or ovals inside a rectangle to show a relationship of sets
positive integer Integers that are greater than zero
whole number The numbers 0, 1, 2, 3,...
rational number A number that can be written a/b where a and b are integers and b does not equal 0
absolute value The absolute value of a number a is the distance between a and 0 on a number line. The symbol IaI represents the absolute value of a
coordinate The number that corresponds to a point on a number line
comparison property for any two numbers a and b, exactly one of the following sentences is true: a=b a
cross products when two fractions are compared, the cross products of the terms on the diagonals
density property between every pair of distinct rational numbers, there are infinitely many rational numbers
complex fraction a fraction that contains a fraction in its numerator, denominator, or both
matrix a rectangular arrangement of numbers in columns and rows. each number in a matrix are written m x n
dimensions of the matrix if a matrix has m rows and n columns,
Created by: Albino_T1ger