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