3.4 Notes Irrational Numbers

Irrational Numbers What’s the definition of an irrational number? Examples?

List of Perfect Squares X 1 2 3 4 5 6 7 8 9 10 11 12 Simplify:

You try! Simplify, if possible. 1) 2) 3) 4)

Multiplying and Dividing Square Roots 1) 2) 3) 4)

Adding and Subtracting Square Roots The number in front of a square root, is that square root’s coefficient. Like radicals can be combined like “like terms” 1) 2) 3)

You try! Add or subtract as indicated. 1) 2)

Rationalizing Denominators You can’t have a radical in the denominator. 1) 2)