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Sec 5.5-Focus

Sec 5.5-Focus - 49 b x 2 22x 121 c x 2 – 2x 1 d x 2 –...

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Factoring Trinomials, a = 1 page 5.5 - 13 Section 5.5 Focus Exercises 1. Factor each trinomial. You may do so in one step. a) x 2 12x 32 b) x 2 14x + 40 c) x 2 + 15x + 36 d) x 2 12x + 32 e) x 2 + 8x + 12 f) x 2 9x + 20 g) x 2 + 11x + 28 h) x 2 10x + 21 i) x 2 + 2x 48 j) x 2 3x 10 k) x 2 + 3x 18 l) x 2 4x 77 m) x 2 16x + 64 n) x 2 + 7x + 49 o) x 2 + 5x 50 p) x 2 x 42

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Factoring Trinomials, a = 1 page 5.5 - 14 2. Factor each trinomial using the ideas developed in this section. If the trinomial is a perfect square trinomial, then write the factorization as (binomial) 2 . If a trinomial is not factorable, then write “prime.” a) x 2 + 14x
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Unformatted text preview: + 49 b) x 2 + 22x + 121 c) x 2 – 2x + 1 d) x 2 – 4x + 4 e) x 2 – 15x + 36 f) x 2 – 8x + 64 g) x 2 + 14x – 49 h) x 2 + 6x – 16 i) x 2 + 10x + 9 j) x 2 – 4x – 16 3. First, determine if the trinomial is a perfect square. If it is, then write the factorization as ( binomial ) 2 . If it not a perfect square, factor it using the method shown in Section 5.4. If a trinomial is not factorable, then write “prime.” a) 16x 2 + 8x + 1 b) 9x 2 + 6x + 1 c) 4x 2 – 20x + 25 d) 9x 2 – 15x + 4 e) 64x 2 – 16x + 1 f) 25x 2 – 5x + 1...
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