Radical Unit Rationalizing the Denominator

Medina 1

Rationalizing the Denominator

Medina 2

Rule 1:

There are NO perfect squares underneath the radical symbol.

There are NO fractions underneath the radical symbol.  

Rule 2:

Rule 3:

There are NO radicals in the denominator.  

Rule 4:

There are NO negatives underneath a square root.  

Rational

Medina 3

Rationalizing the Denominator

Irrational

Numbers that make sense

Make number into a decimal if it stops or has a pattern (repeating decimal) it’s rational

Numbers that don’t make sense

Make the number into a decimal, if it keeps going and going without a pattern it’s irrational

Numbers can either be rational or irrational

8

4

Rationalizing the Denominator

3

93

2Rationalizing the denominator is the process of converting a irrational number into a rational number. 

3

3•

•

2 32 3

Rationalizing the Denominator

2

42

5

2

2

•

•

5 2

5 2

Rationalizing the Denominator

3

9

3

4

3

3

•

•

122

3 4

33

Rationalizing the Denominator

3

92

3

3•

•

6

63

2

3