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Warm up

Warm up. x + 4. (12x 2 + 8x – 6) – (9x 2 – 2x + 5) Find the area (x – 5) 4. 2x – 1. Questions over hw? WS and Textbook p. 75 #3 – 5, 9 – 11, 15, 16, 18. Daily Check. GPS Algebra. Today’s Question:

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Warm up

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  1. Warm up x + 4 (12x2 + 8x – 6) – (9x2 – 2x + 5) Find the area (x – 5)4 2x – 1

  2. Questions over hw?WS and Textbookp. 75 #3 – 5, 9 – 11, 15, 16, 18

  3. Daily Check

  4. GPS Algebra Today’s Question: What does the acronym GCF mean, how do we find it and how do we use it to factor a polynomial? Standard: MM1A1f- Factor expressions by GCF, grouping, trial and error, and special products.

  5. GCFWhat does it stand for? What is it?

  6. What is the greatest common factor?? 36 1, 2, 3, 4, 6, 9, 12, 18, 36 24 1, 2, 3, 4, 6, 8, 12, 24 The number 12

  7. What is the greatest common factor?? 5a 1, 5 a 35 1, 5, 7 The number 5

  8. What is the greatest common factor?? 3y 1, 3 y -8xy 1, 2, 4, 8 x y y

  9. What is the greatest common factor?? 22x2 1, 2, 11, 22 xx -11x -1, 11 x 11x

  10. What is the greatest common factor?? -4x6 -x4 -2x2 -1, 2, 4 xxxxxx -1 xxxx -1, 2 xx -x2

  11. What is the greatest common factor?? 8x3y5 -20x5y3 12x7y6 1, 2, 4, 8 xxx yyyyy -1, 2, 4, 5, 10, 20 xxxxx yyy 1, 2, 3, 4, 6, 12 xxxxxxx yyyyyy 4x3y3

  12. What is the greatest common factor?? x5 2 y xxxxx 1, 2 y PRIME

  13. Factoring means to write as a product Always look for a Greatest Common Factor 1st. Factor 4x + 6y What is their greatest common factor? = 2( ) 2x + 3y Now, DIVIDE each term by the GCF.

  14. Factor 8a3 + 4a2 + 12a What is their GCF? = 4a( ) 2a2 + a + 3 Now, DIVIDE each term by the GCF. 40x2 – 100xy – 80y2 = 20( ) – 4y2 2x2 – 5xy

  15. Factor 2h2k + 2k What is their GCF? = 2k( ) + 1 h2 Now, DIVIDE each term by the GCF. 12x5y2 + 9x4y2 - 6x3y2 = 3x3y2( ) 4x2 – 2 + 3x

  16. Class workGCF Worksheet24 problems

  17. QuizFriday

  18. Factoring Foldable

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