LG 2 - Is it a Zero? Direct and Synthetic Substitution

 LEARNING OBJECTIVE UNIT 10 - POLYNOMIAL & RATIONAL FUNCTIONS
 BTEOTPSWBEAT....
  • Use direct substitution to show a value is a root. 
  • Use synthetic Division to show a value is a root.
  • Write the depressed polynomial after using synthetic division.
 LG 1 - Intro to Polynomial Functions
LG 2 - Is it a Zero?  Direct and Synthetic Substitution
LG 3 - Finding all zeros of a polynomial function
LG 4 - Rational Functions
TEST REVIEW - UNIT 10



WARM UP EXAMPLE using the zero product rule (review):
Find the roots of the quadratic function:


WARM UP: SOLVE FOR X: 

1.  x+ 8x + 15 = 0              

2.   x- x = 0                        

     3.  (2x-2)(3x+3)=0     
  

Notes Video 1:Direct Substitution Method






Zeros from a Table of Values

Zeros of a Polynomial from a Table

If the video doesn't work, click here.


Notes Video 2:Synthetic Division Method

Intro to Synthetic Division

If the video doesn't work,  click here


















Ċ
Brant Wilson,
May 1, 2014, 12:13 PM
Ċ
Brant Wilson,
May 9, 2014, 6:47 AM
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