A number that is a whole number but is both positive and negative.

A number that can be made by dividing two integers.

A number that has no fraction, no decimal, and is not negative.

a number that cannot be exactly expressed as a ratio of two integers.

1/2

-3

2.5

9

Positive or negative, large or small, whole numbers or decimal numbers.

A number, letter, point, line, or any other object contained in a set.

A collection of "things"

A real number that can not be made by dividing two integers

Rational

Irrational

$110.25

$112.75

$150.33

$200.85

$616.05

$622.41

$725.62

$662.89

a.

c.

e.

b.

d.

 $3\sqrt{81^{ }}$  

 $1\sqrt{81^3}$  

 $\sqrt{81}$  

 $3\sqrt{81^2}$  

x= 14

x= 10

x= -14

x= -10