1. Homework CHeck

2. 3.2 number systems, Rational & Irrational

3. Imaginary Numbers
Real Numbers

4. Imaginary Numbers
Real Numbers
Rational Numbers
Irrational Numbers
Integers
Whole Numbers
Counting/Natural Numbers
Complex Numbers

5. Into which groups does each number go?
Natural
Whole
Integer
Rational
Irrational
Real
Imaginary
Complex -8 5
3+2i
7 4 9 7i

6. Into which groups does each number go?
Natural
Whole
Integer
Rational
Irrational
Real
Imaginary
Complex -8 5
3+2i
7 4 9 7i

7. Rational vs. Irrational

8. Rational Numbers

9. Irrational Numbers
Any number that CAN’T be written in the form of where a and b are both integers.
Anything that results in a non-repeating, non-terminating decimal is irrational. If the decimal stops or repeats, it’s rational.

10. Operations Classify the following as rational or irrational: 1) 2) 3)
Why do you think this is? Is there a rule we can follow?

11. Operations Classify the following as rational or irrational: 1) 2) 3)4)
Why do you think this is? Is there a rule we can follow?