1.3 Exploring Real Numbers

Question 1

Natural Numbers

Answer 1

1 2 3 4 5

Question 2

Whole Numbers

Answer 2

0 1 2 3 4 5

Question 3

Integers

Answer 3

-2 -1 0 1 2

Question 4

Rational Numbers

Answer 4

any number that you can write in the from of a/b where a and b are integers

Question 5

Irrational Numbers

Answer 5

Cannot be expressed in the form a/b where a and b are integers

Question 6

Real Numbers

Answer 6

Together, rational numbers and irrational numbers from a set

Question 7

Counterexample

Answer 7

Any example that proves a statement false is

Question 8

Inequality

Answer 8

is a mathematical sentence that compares the values of two expressions using an inequality symbol such as <,>

Question 9

Opposites

Answer 9

Two numbers that are the same distance from zero on a number line but lies on opposite directions

Question 10

Absolute Value

Answer 10

A number is its distance from 0 on a number line