8.5 Factoring x 2 + bx + c. Factoring with Positives x 2 + 3x + 2 ◦Find two factors of 2 whose sum is 3. ◦Helps to make a list (x + 1)(x + 2) Factors.

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Presentation transcript:

8.5 Factoring x 2 + bx + c

Factoring with Positives x 2 + 3x + 2 ◦Find two factors of 2 whose sum is 3. ◦Helps to make a list (x + 1)(x + 2) Factors of 2Sum of Factors 1, = 3

Try These! a 2 + 7a + 10 ◦Find two factors of 10 whose sum is 7. (a + 5)(x + 2) t 2 + 9t + 14 (t + 7)(t + 2) Factors of 10Sum of Factors 1, = 11 2, = 7

Positives and Negatives n 2 – 5n + 6 ◦Find two factors of 6 whose sum is -5. ◦Helps to make a list (n - 2)(n - 3) Factors of 6Sum of Factors 1, = 7 2, = 5 -1, = -7 -2, = -5

Try These! y 2 + 3y - 10 ◦Find two factors of -10 whose sum is 3. (y - 2)(y + 5) w 2 + 6w - 16 (w + 8)(w - 2) Factors of - 10 Sum of Factors 1, (-10) = , = -9 2, (-5) = -3 -2, = 3

Assignment Odds P.515 #11-37