Math 100: 1.2 Exit Ticket

includes integers, fractions, terminating and repeating decimals.

• Rational Numbers
• Irrational Numbers

.141414141414...

• Rational 
• Irrational 

pi - 3.141592....

• Rational
• Irrational 

√2

• Rational
• Irrational

√7

• Rational 
• Irrational

√25

• Rational
• Irrational

-√4

• rational
  irrational
• rational

What is a rational number ?

• A rational number  is a number that cannot be written as a fraction.
• A rational number is a number that can be written as a ratio.
• A rational number cannot be a repeating  decimal.

Which number is irrational?

• 9.6
• √45
• 3/8
• 3.4 x 10 ⁵

which number is a rational number ?

• 1/4
• π
• √3