1. Day 7 Factor with GCF.notebook January 03, 2013
AIM: Factoring Expressions
Do Now
Find the Greatest Common Factor.
a.) 5 and 25
b.) 8 and 50
c.) 12 and 30
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2. Day 7 Factor with GCF.notebook January 03, 2013
On Core Page 62 #1-4 all
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3. Day 7 Factor with GCF.notebook January 03, 2013
1.) Find the factors of:
4x + 8
x x
x x
1
1 1 1
1
1 1 1
x ­x 1 ­1
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4. Day 7 Factor with GCF.notebook January 03, 2013
2.) Find the factors of:
3x + 9
x 1
1
1 1
1 1
x
1 1
x 1
x ­x 1 ­1
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5. Day 7 Factor with GCF.notebook January 03, 2013
3.) Find the factors of:
3x - 6
x
x
x
­1
­1
­1
­1
­1
­1
x ­x 1 ­1
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6. Day 7 Factor with GCF.notebook January 03, 2013
4.) Find the factors of:
2x + 2
1
1 x
x
x ­x 1 ­1
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7. Day 7 Factor with GCF.notebook January 03, 2013
5.) Find the factors of:
4x - 4
­1
­1 x
x
­1 x
x
­1
x ­x 1 ­1
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8. Day 7 Factor with GCF.notebook January 03, 2013
6.) Find the factors of:
4x + 10
1 1 1
1
1
x x
1
1 1
x
x
1 1
x ­x 1 ­1
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9. Day 7 Factor with GCF.notebook January 03, 2013
7.) Find the factors of:
6x + 9 1
x x
1
1
1
x x 1
1
1
1
x x
1
x ­x 1 ­1
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10. Day 7 Factor with GCF.notebook January 03, 2013
Conjecture: How could be factor these
expressions without using the algebra
tiles?
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11. Day 7 Factor with GCF.notebook January 03, 2013
Factoring a polynomial using the
Greatest Common Factor:
ab + ac = a(b + c), where a is the Greatest Common Factor
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12. Day 7 Factor with GCF.notebook January 03, 2013
Find the prime factorization of the following numbers.
6 12
Based on what your experience, what does factoring mean?
Based on that idea, what would to factors of 2x - 6 be?
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13. Day 7 Factor with GCF.notebook January 03, 2013
Think-Pair-Share Activity
Factor the following expressions.
1.) 6x - 18
2.) 4q + 12
3.) 3 - 9x
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14. Day 7 Factor with GCF.notebook January 03, 2013
Think-Pair-Share Activity
Factor the following expressions.
4.) 4a - 2
5.) 3x - 7
6.) -3y - 6
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15. Day 7 Factor with GCF.notebook January 03, 2013
Think-Pair-Share Activity
Factor the following expressions.
7.) 9x - 27
8.) 10 - 50x
9.) 8x - 30
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16. Day 7 Factor with GCF.notebook January 03, 2013
BEFORE YOU LEAVE
Which property is used when
you are factoring. Why?
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17. Day 7 Factor with GCF.notebook January 03, 2013
Homework
On Core Page 61 (all problems on that
page)
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