8-7 Skills Practice Solving a + bx + c = 0 Factor each polynomial, if possible. If the polynomial cannot be factored using integers, write prime. 1. 2 + 5x + 2 2. 3 + 5n + 2 3. 2 + 9t 5 4. 3 7g + 2 – – 5. 2 11t + 15 6. 2 + 3x 6 – – 7. 2 + 1 8. 4 + 8h 5 y – – 9. 4 3x 3 10. 4 + 15b 4 – – – 11. 9 + 6p 8 12. 6 13q + 6 – – 13. 3 + 30a + 63 14. 10 19w 15 – – Solve each equation. Check the solutions. 15. 2 + 7x + 3 = 0 16. 3 + 14w + 8 = 0 17. 3 7n + 2 = 0 18. 5 22d + 8 = 0 – – 19. 6 + 8h + 2 = 0 20. 8 16p = 10 – 9 + 18y 12 = 6y 4 16a = 21. 22. – – –15 23. 10 15b = 8b 12 24. 6 + 21d = 10d + 35 – –
8-7 Skills Practice Solving a + bx + c = 0 Factor each polynomial, if possible. If the polynomial cannot be factored using integers, write prime. 1. 2 + 5x + 2 2. 3 + 5n + 2 3. 2 + 9t – 5 4. 3 – 7g + 2 5. 2 – 11t + 15 6. 2 + 3x – 6 7. 2 + y – 1 8. 4 + 8h – 5 9. 4 – 3x – 3 10. 4 + 15b – 4 11. 9 + 6p – 8 12. 6 – 13q + 6 13. 3 + 30a + 63 14. 10 – 19w – 15 Solve each equation. Check the solutions. 15. 2 + 7x + 3 = 0 16. 3 + 14w + 8 = 0 17. 3 – 7n + 2 = 0 18. 5 – 22d + 8 = 0 19. 6 + 8h + 2 = 0 20. 8 – 16p = 10 21. 9 + 18y – 12 = 6y 22. 4 – 16a = –15 23. 10 – 15b = 8b – 12 24. 6 + 21d = 10d + 35
8.7-Skills-Solving-ax2-bx-c.docx