5.5c: factoring trinomials - barrington 220 school ...€¦ · +7x+3 4y2 _ 15y+9 3y2 - 22y + 39...
TRANSCRIPT
![Page 1: 5.5C: Factoring Trinomials - Barrington 220 School ...€¦ · +7x+3 4y2 _ 15y+9 3y2 - 22y + 39 5.r2 + 26x + 5 I Iy2 — 8y2 _ 47_v+ 12 18v +9 + 10 17x 6.r2 41xy 10 12 — 7y2 6x2](https://reader033.vdocuments.net/reader033/viewer/2022051915/60072da0786732341c1da25c/html5/thumbnails/1.jpg)
Alg2C 5.5C Notes
1
Motivation
Distribute. Factor.
Algebra II C
5.5C: Factoring Trinomials
12/2/16
![Page 2: 5.5C: Factoring Trinomials - Barrington 220 School ...€¦ · +7x+3 4y2 _ 15y+9 3y2 - 22y + 39 5.r2 + 26x + 5 I Iy2 — 8y2 _ 47_v+ 12 18v +9 + 10 17x 6.r2 41xy 10 12 — 7y2 6x2](https://reader033.vdocuments.net/reader033/viewer/2022051915/60072da0786732341c1da25c/html5/thumbnails/2.jpg)
Alg2C 5.5C Notes
2
Steps to Factor (AC Method)
1.
2.
3.
4.
Multiply AC.
Find factors of AC that add to give you B.
Divide those numbers by A and reduce.
Put variable in bottom and write answers "bottom up".
Ex 1.
Factor.
Ex 2.
![Page 3: 5.5C: Factoring Trinomials - Barrington 220 School ...€¦ · +7x+3 4y2 _ 15y+9 3y2 - 22y + 39 5.r2 + 26x + 5 I Iy2 — 8y2 _ 47_v+ 12 18v +9 + 10 17x 6.r2 41xy 10 12 — 7y2 6x2](https://reader033.vdocuments.net/reader033/viewer/2022051915/60072da0786732341c1da25c/html5/thumbnails/3.jpg)
Alg2C 5.5C Notes
3
Ex 3. Ex 4.
Ex 5. Ex 6.
![Page 4: 5.5C: Factoring Trinomials - Barrington 220 School ...€¦ · +7x+3 4y2 _ 15y+9 3y2 - 22y + 39 5.r2 + 26x + 5 I Iy2 — 8y2 _ 47_v+ 12 18v +9 + 10 17x 6.r2 41xy 10 12 — 7y2 6x2](https://reader033.vdocuments.net/reader033/viewer/2022051915/60072da0786732341c1da25c/html5/thumbnails/4.jpg)
Alg2C 5.5C Notes
4
Ex 7. Ex 8.
p.317 #5177(o)