Day 2 Factoring.notebook
September 09, 2016
Factoring Day 2: Factor by grouping, factor and solve trinomials, Sum and Difference of Cubes
Objectives: To factor trinomials using ax2 + bx + c (A.2.A)
Factor by grouping (A.2.A)
To solve equations by factoring and using zero product property. (A.2.A)
Factor sum and difference of cubes. (A.2.A)
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Day 2 Factoring.notebook
September 09, 2016
Factor.
1. 2x2 + 5x + 3
3. 18x2 + 16 + 36x
2. 11x2 + 2x – 9
4. 20x2 + 124x + 24
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Day 2 Factoring.notebook
5. 4x2 + 3xy – y2
September 09, 2016
6. 3a2 – 10a + 8
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Day 2 Factoring.notebook
September 09, 2016
Let’s learn a new method to use when factoring:
Factor by Grouping
Factor completely.
7. x3 + 2x2 + 8x + 16
8. xy – 4y + 3x – 12
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Day 2 Factoring.notebook
9. ax – ac + bx – bc
September 09, 2016
10.
3x3 – 9x2 + 27x – 81 5
Day 2 Factoring.notebook
September 09, 2016
Solve using the zero product principle.
11.
x2 – 3x – 4 = 0
12.
x2 – 100 = 0
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Day 2 Factoring.notebook
13.
18x – 81 = x2
September 09, 2016
14.
c2 – 8c = 0
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Day 2 Factoring.notebook
15.
16x3 – 9x = 0
September 09, 2016
16.
4y2 + 20y + 25 = 0
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Day 2 Factoring.notebook
17.
September 09, 2016
6q2 + 8 = 14q
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Day 2 Factoring.notebook
September 09, 2016
Sums and Differences of Cubes
a3 + b3 = (a + b)(a2 – ab + b2)
a3 – b3 = (a – b)(a2 + ab + b2)
18.
3x3 – 3y3
19. 8x3 + 27y3
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Day 2 Factoring.notebook
20.
3x3 – 24y3
September 09, 2016
21.
x6 + 125
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