1. Lesson 10­2.notebook March 11, 2014
Assignment:
1­­>L10.2, pg. 615, #2­26 [evens], skip #8
& #42 ­ 48 (evens) ­ Due Tomorrow [3/12]
2­­>Chapter 9 Test signed for extra credit

2. Lesson 10­2.notebook March 11, 2014
Lesson 10.2 WarmUp:
Solve #1­2 by completing the square.
1) x2 ­ 8x ­ 1 = 8
2) x2 ­ 2x ­ 14 = 0
Solve #3­5 by using the Quadratic Formula.
3) x2 ­ 12x = ­20
4) 3x2 + 5x ­ 12 = 0
5) x2 + 16 = 0

3. Lesson 10­2.notebook March 11, 2014
Lesson 10.2:
*radical expression ­ contains a radical, such as a square root
...and for it to be "simplified", there can't be a radical in the
denominator!
**Product property of square roots ­
ab = a b , if a > o and b > o

4. Lesson 10­2.notebook March 11, 2014
Remember this?
(x ­ 4)(x + 4) =
So....
(5 + 2)( 5 ­ 2) =
Known as "conjugates"

5. Lesson 10­2.notebook March 11, 2014
Lesson 10.2 examples:
Simplify.
A) 24
B) 2 25
C) 3 18
D) 3 8 2 7

6. Lesson 10­2.notebook March 11, 2014
E) Which expression is equivalent to: 35
15
1. 5 21 2. 21 3. 5 25 4. 35
15 3 15 15
Simplify.
F) 3
3 + 5

7. Lesson 10­2.notebook March 11, 2014
G) 3
5 + 2