Factoring
What are the factors of 36?
1x36
2x18
3x12
4x9
6x6
Multiply the first and last number.
Or
Multiply a and c
How many terms are needed to group?
4
Zero Product Property solves for what?
How many kids does Mrs. Wahl have?
4
Factoring the following:
x2-7x-18
(x-9)(x+2)
Which term gets split into two factors?
The middle term.
What is the first step to grouping?
Put the terms in STANDARD FORM
Solve for x:
(x-2)(x-3)=0
x= 2
x=3
What was the other PRIDE name for Mrs. Wahl's class...not Wahl-Mart.
Wahlburgers!
Factor the following:
x2-9m+8
(x-1)(x-8)
After grouping the terms, what is the next step?
To find the GCF of group 1.
What does standard form mean?
In order from highest exponent to lowest exponent.
Solve for x:
(2x+1)2=0
x=-1/2
When is the test for this unit?
Thursday/Friday April 15th and 16th
What are the rules for factoring x2 - bx + c?
(x - h)(x - k)
Or both factors are negative.
What are the values in the final grouped parentheses?
The "leftover" and the GCF
or something similar.
How do you find the GCF of group 1?
Factor each term and identify what they have in common.
or
something similar.
Solve for x:
(3x-5)(2x+2)=0
x=5/3
x=-1
Who painted the dock scene in the back of Mrs. Wahl's room?
Mrs. Wahl's mom
Why is x2 - 2x - 5 not factorable?
Factors of 5 do not combine to = -2
Factor the following:
2x2+17x+21
(2x+3)(x+7)
Factor by grouping:
12x3-9x2+20x-15
(4x-3)(3x2+5)
Solve for x:
(5x-1)(x+1/2)=0
x=1/5
x=-1/2
Why does Mrs. Wahl have cacti in her room?
Because she kills normal plants.