8-7 - Skills Practice PDF Lesson 8-7. Chapter 8.

8-4 Factoring ax2 + bx + c

To factor a trinomial like ax2 + bx + c into its binomial factors write two sets of parentheses. ( x + )( x + ). Write two numbers that are factors of a

8-4 Practice B

8-4. Practice B. Factoring a x. 2 bx c. Factor each trinomial. 1. 2 x 2 + 13x + 15. 2. 3 x 2 + 10x + 8. 3. 4 x 2 + 24x + 27.

8-7 - Skills Practice

Lesson 8-7. Chapter 8. 45. Glencoe Algebra 1. Skills Practice. Solving ax2 + bx + c = 0. Factor each polynomial if possible. If the polynomial cannot be

Practice B 8-4

Factoring a x. 2 bx c. Factor each trinomial. 1. 2 x 2 + 13x + 15. 2. 3 x 2 + 10x + 8. 3. 4 x 2 + 24x + 27. 4. 5 x 2 + 21x + 4. 5. 4 x 2 + 11x + 7.

STUDENT TEXT AND HOMEWORK HELPER

8-6 Factoring to Solve Quadratic Equations . In the quadratic function y = ax2 + bx + c the value of b affects the position of the axis of symmetry.

Which Quadratic Expressions Are Factorable?

More Work with Quadratics 3. You can factor ax2 + bx + c and use the Zero Product Property. 4. ... Consider the equation 9x2 + 14x - 8 = 0.

Reteaching - 8-6

For trinomials of the form ax2 1 bx 1 c The trinomial has two plus signs

Exercises Lesson 3.1 Exercises pages 181–186

3.1 Factoring Trinomials of the Form ax2 + bx + c. Exercises. A. 4. Expand. The trinomial is not factorable using integers. a. 5 b. 3

Chapter 8: Factoring and Quadratic Equations

Chapter 8 Get Ready for Chapter 8 469 Explore 8-3 Algebra Lab: Factoring Trinomials 483 ... Lesson 8-4 Quadratic Equations: ax 2 + bx + c = 0 493.

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Lesson 8-7

Chapter 8 45 Glencoe Algebra 1

Skills Practice

Solving ax

2 + bx + c = 0 Factor each polynomial, if possible. If the polynomial cannot be factored using integers, write prime 1. 2x

2 + 5x + 2 2. 3n

2 + 5n + 2 (x + 2)(2x + 1) (3n + 2)(n + 1) 3. 2t 2 + 9t - 5 4. 3g 2 - 7g + 2 (t + 5)(2t - 1) (3g - 1)(g - 2) 5. 2t 2 - 11t + 15 6. 2x

2 + 3x - 6

(t - 3)(2t - 5) prime 7. 2y 2 + y - 1 8. 4h 2 + 8h - 5 (y + 1)(2y - 1) (2h + 5)(2h - 1) 9. 4x 2 - 3x - 3 10. 4b 2 + 15b - 4 prime (4b - 1)(b + 4) 11. 9p 2 + 6p - 8 12. 6q 2 - 13q + 6 (3 p - 2)(3p + 4) (3q - 2)(2q - 3)

13. 3a

2 + 30a + 63 14. 10w 2 - 19w - 15 3( a + 7)(a + 3) (2w - 5)(5w + 3)

Solve each equation. Check the solutions.

15. 2x

2 + 7x + 3 = 0 ? 3, - 1 2

16. 3w

2 + 14w + 8 = 0 4, - 2 3

17. 3n

2 - 7n + 2 = 0 1 3 , 2 18. 5 d2 - 22d + 8 = 0 2 5 , 4

19. 6h

2 + 8h + 2 = 0 1, - 1 3

20. 8p

2 - 16p = 10 1 2 5 2

21. 9y

2 + 18y - 12 = 6y 2, 2 3

22. 4a

2 - 16a = -15 3 2 5 2

23. 10b2

- 15b = 8b - 12 4 5 3 2

24. 6d

2 + 21d = 10d + 35 7 2 5 3 8-7quotesdbs_dbs5.pdfusesText_9

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[PDF] 8-7 - Skills Practice Lesson 8-7. Chapter 8.

Reteach 8-4