Solving Quadratics Factoring Trinomials using the Punnett’s Square Factoring 5/17/20121Medina.
4 (B.5) 9-3 & 9-4 Factoring Trinomials (Day #2).notebook ... · 3/12/2014 · 4 (B.5) 9-3 & 9-4...
Transcript of 4 (B.5) 9-3 & 9-4 Factoring Trinomials (Day #2).notebook ... · 3/12/2014 · 4 (B.5) 9-3 & 9-4...
4 (B.5) 9-3 & 9-4 Factoring Trinomials (Day #2).notebook
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March 12, 2014
Warm-up
1.
Factor.
2.
Today's Agenda
* Warm-Up
* Classwork* Homework
* 9.3/9-4 Factoring Trinomials
* Homework Review
Homework Answers
1. (n + 5)(4n + 1)
2. (2x + 3)(2x + 3)
or (2x + 3)2
3. (n + 7)(4n + 1)
4. (k + 1)(9k – 4)
5. (5n – 4)(n + 2)
6. (7a – 3)(a + 1)
7. (3b – 1)(b – 2)
8. (2b + 7)(b – 5)
9. (2m + 3)(m – 7)
10. (3m + 1)(m – 2)
11. (n + 7)(n – 1)
12. (a – 5)(a – 2)
13. (x – 2)(x + 6)
14. (n – 10)(n + 2)
9.3/9.4 Factoring Trinomials
Benchmark: B.5 - Factoring trinomials
Goals: To factor trinomials of the type ax2 + bx + c and x2 + bx + c
1. MULTIPLY the first and last term together. (a & c)
Factoring Trinomials STEPSMAGIC or A-C Method
5. Complete factoring using GROUPING.
4. Replace the middle term with the factors from the previous step. (Don’t forget the variable!)
2. List the factors of this number.
3. Pick the numbers which ADD to give you the middle number. (b)
Factor.
Example 1
4 (B.5) 9-3 & 9-4 Factoring Trinomials (Day #2).notebook
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March 12, 2014
Factor.
Example 2Factor.
Example 3
Pick up a white board, marker & eraser.
Practice
Clean off your board and get ready to factor!
Board Work
1. 5x2 – 17x + 6
2. x2 – 7x – 60
3. 5z2 + 16z + 3
4. 3x2 + 20x – 7
5. x2 + 5x + 6
6. 7x2 – 20x – 3
7. 6q2 – 14q + 8
8. 12p2 – 21p + 3
Factor.
Classwork
Complete.p. 493 #17-29 odd
p. 499 #15-27 odd
I You a Question
Factoring Trinomials
Please solve the questions on your Ticket Out the Door.
On the back - How did you do today?
Green - I can do this! This is easy!Yellow - I'm getting there.Red - I need help!
4 (B.5) 9-3 & 9-4 Factoring Trinomials (Day #2).notebook
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March 12, 2014
Almost Finished...Take out your agenda - copy down due dates
Standard Checks
Homework
9.3/9.4 Factoring Trinomials WS #2 HW (B.5)
Do NOT pack up until you are told to do so!
Tests