math ch4

whole numbers

012345 and so on

natural numbers

123456 and so on

number line

A diagram that represents numbers as points on a line.

inequality

A statement that compares two quantities using <, >, ≤,≥,

rational numbers

Any number that can be expressed as a fraction -1/3, 1/3

1/2 is a rational number and 9 is a natural number.

Consider the numbers 1/2 and 9. Which of the following statements is completely true regarding these the most specific classification of these two numbers?

irrational numbers

Numbers that cannot be expressed as a ratio of two integers. Their decimal expansions are nonending and nonrepeating. square root of 2

absolute value

The distance a number is from zero on a number line

Irrational

The number 1 falls into all of the following families EXCEPT which group?

Whole Numbers

Which family of numbers begins with the numbers 0, 1, 2, 3, ...?

0 is the smallest natural number.

Which of these statements is FALSE regarding the number 0?

Rational and Irrational

Which two groups of numbers do NOT have any numbers in common?

integers

negative numbers -1 -2 and so on