Transcript Day Problems • Find each square. 1. (c + 1)2 2. (6x – 8)2 • Find each product. 3.
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Day Problems
Find each square.
1. (c + 1) 2 2. (6x – 8) 2 • Find each product.
3. (r + 4)(r – 4) 4. (y + 12)(y – 12) • Find each square.
5. (5p – 6q) 2
9.5 Factoring Trinomials of the Type x 2 + bx + c • Factoring x 2 + bx + c.
• Factor x 2 + 7x + 12.
Find the factors of 12. Identify the pair that has a sum of 7.
Factors of 12 1 and 12 2 and 6 3 and 4 x 2 + 7x + 12 = (x + 3)(x + 4).
Sum of Factors 13 8 7 ****
Factoring x 2 – bx + c.
• Factor d 2 – 17d + 42.
Find the factors of 42. Identify the pair that has a sum of -17.
Factors of 42 Sum of Factors -1 and -42 -2 and -21 -3 and -14 d 2 – 17d + 42 = (d – 3)(d – 14).
-43 -23 -17 ****
Factoring Trinomials with a Negative C • Factor m 2 + 6m – 27.
Find the factors of -27. Identify the pair that has a sum of 6.
Factors of -27 Sum of Factors 1 and -27 27 and -1 3 and -9 9 and -3 m 2 + 6m – 27 = (m – 3)(m + 9).
-26 26 -6 6
Factoring Trinomials with a Negative C • Factor p 2 – 3p – 18.
Find the factors of -18. Identify the pair that has a sum of -3.
Factors of -18 Sum of Factors 1 and -18 18 and -1 3 and -6 -17 17 -3 p 2 – 3p – 18 = (p – 6)(p + 3).
More Practice!!!!
• Textbook – p. 483 #6 – 16 even, 22 – 28 even.