1. 7.1 – Day 2 Square Roots and Order of Operations
Essential Question: How can we use order of operations to solve problems with square roots?

2. Vocabulary - Review
Square Root: A number that when multiplied by itself equals the given number.
Every positive number has a positive and negative square root! Except Zero only has one square root which is zero.
Perfect Square: A number with integers as its square roots.
: A radical sign
Radicand: The number under the radical sign

3. Example 1
Evaluate Each Expression
5 𝟑𝟔 +𝟕
( 81 ) 2 −5

4. On Your Own
Evaluate Each Expression
𝟔.𝟕𝟔 +𝟕5.4
3 𝟏𝟔 −𝟓
2( −5)

5. Example 3

6. Leave this side open for corrections.
Name
Date
Period
Homework Set up: while your computer turns on.
You must submit your assignment from last night before you work on today’s assignment!
pg.292 #20, 22, 25, 26, 28, 29, 31, 32, 40, 42
Leave this side open for corrections.