8.6 ­ Factoring ax2+bx+c 2.notebook
April 24, 2015
4/24: Warm Up
Factor each of the following:
1. x2 + 13x + 40
2. x2 ­ 7x + 12
3. x2 ­ 4x ­ 12
4. x2 + 2xy ­ 8y2
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8.6 ­ Factoring ax2+bx+c 2.notebook
8.6: Factoring ax2 + bx + c
April 24, 2015
Date: 4/24
Factoring ax2 + bx + c
Ex 1). Factor Completely:
a) 2x2 + 13x + 6
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8.6 ­ Factoring ax2+bx+c 2.notebook
April 24, 2015
b) 3x2 + 8x + 4
c) 4x2 – 9x + 5
d) 2x2 + 13x – 7
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8.6 ­ Factoring ax2+bx+c 2.notebook
April 24, 2015
e) 5x2 – 6x + 1
f) 4x2 + 11x – 3
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8.6 ­ Factoring ax2+bx+c 2.notebook
April 24, 2015
Ex 2). The area of a rectangle is 4x2 – 7x – 15. The width of the
rectangle is x – 3. What is the length of the rectangle?
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8.6 ­ Factoring ax2+bx+c 2.notebook
April 24, 2015
Ex 3). Factor completely – factor out a monomial first!
a) 8x2 – 6x – 14
b) 30x2 + 14x – 8
c) 8x2 – 36x – 20
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8.6 ­ Factoring ax2+bx+c 2.notebook
April 24, 2015
Homework:
pg. 520 #1 – 3, 8 – 32(e), 38
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