# 8th alg -l10.3

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Published on March 13, 2014

Author: jdurst65

Source: slideshare.net

Lesson 10­3.notebook March 13, 2014 Assignment: 1­­>L10.3, pg. 621­622, 2­24 (evens) ­ Due Tomorrow [3/14] 2­­>Test signed?

Lesson 10­3.notebook March 13, 2014 Lesson 10.3 WarmUp: Determine how many solutions the following  equations have: 1)  2x2  ­  7x  = ­2 2)  x2  +  25  =  ­10x 3)  x2  +  2x  +  5  =  0 Use the Quadratic Formula to solve the  following: 4)  x2  ­  4x  =  12 5)  x2  +  20  =  12x

Lesson 10­3.notebook March 13, 2014 Lesson 10.3: *To add or subtract radical expressions...  the radicands must be alike! (similar to "like terms") ...And, when adding or subtracting them, the radicands don't change! ex­­> 4     5    +   2      5    =

Lesson 10­3.notebook March 13, 2014 *We can also use the distributive property to simplify radical  expressions! ex ­­> 3    5 (2    5    +    5    3)  =

Lesson 10­3.notebook March 13, 2014 Lesson 10.3 examples: Simplify. A) 3     5    +    6     5 B)   7     ­    6     7 C) 8      +     12     +     18

Lesson 10­3.notebook March 13, 2014 D) 3  (    7     +   3   2  ) E) 4     5  (3    5   +   8   2 )

Lesson 10­3.notebook March 13, 2014 F) (    3    ­    2)(    15  +    12) G) (5     2    +   3     5)(2    10    ­    5)

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