1. The number inside the radical symbol
Square Roots and Radicals Simplify
Square Root of a Number:
Radical Symbol:
Radicand:
Perfect Squares
MEMORIZE!!
132= =
142= =
152= =
162= =
If b2 = a, then b is a square root of a
The number inside the radical symbol

2. Any number you can write in the form Cannot be written in the form
Rational and Irrational Square Roots State whether the number is rational or irrational.
Rational #: 1. 2. 3.
Irrational #: 4. 5.
Any number you can
write in the form
Cannot be written
in the form

3. Find the two closest perfect squares
Approximate the value of a non-perfect square root:
Steps: 1) 2) 3)
Find the two closest perfect squares
(one greater than and one less than)
See where your number fits between them
Make a decimal approximation (to the nearest tenth)

4. two answers to a problem
Evaluate expressions when a = 1, b = 2, c = 4 The symbol (plus or minus) will cause
two answers to a problem