7.4 Factoring ax2+bx+c.notebook
Bellwork: 2/28/14
Find each product.
February 28, 2014
Factoring
We will...
1. (x – 2)(2x + 7)
2. (3y + 4)(2y + 9)
Factor quadratic trinomials of the form ax2 + bx + c. 3. (3n – 5)(n – 7)
Factor each trinomial.
4. x2 +4x – 32
5. z2 + 15z + 36
6. h2 – 17h + 72 Feb 25­9:15 AM
Feb 25­9:16 AM
2x2 + 17x + 21
Factor 6x2 + 11x + 4 by guess and check. 3x2 – 16x + 16
6x2 + 11x + 3
6x2 + 17x + 5
9x2 – 15x + 4
3x2 – 2x – 8 3x2 + 13x + 12
Feb 25­9:17 AM
Feb 25­9:17 AM
3n2 + 11n – 4 Factor –2x2 – 5x – 3. 2x2 + 9x – 18 4x2 – 15x – 4 6x2 + 7x – 3 –6x2 – 17x – 12 –3x2 – 17x – 10 4n2 – n – 3 Feb 25­9:17 AM
Feb 25­9:17 AM
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7.4 Factoring ax2+bx+c.notebook
February 28, 2014
Factor Each Trinomial
1. 5x2 + 17x + 6 2. 2x2 + 5x – 12 3. 6x2 – 23x + 7 4. –4x2 + 11x + 20
5. –2x2 + 7x – 3 6. 8x2 + 27x + 9
Feb 25­9:17 AM
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