Grade 12 Quadratic equations worksheet

What is on the worksheet

1. Find the discriminant of 3x² + 18x + 20 = 0.

2. Find the discriminant of 4x² + 1x + 12 = 0.

3. The graph y = 4x² + 6x + 15 has axis x = k. Find k.

4. The graph y = 3x² + 21x + 19 has axis x = k. Find k.

5. The graph y = 7x² + 4x + 18 has axis x = k. Find k.

6. Find the discriminant of 7x² + 11x + 16 = 0.

7. Find the discriminant of 5x² + 15x + 5 = 0.

8. The graph y = 1x² + 12x + 4 has axis x = k. Find k.

9. The graph y = 3x² + 27x + 20 has axis x = k. Find k.

10. Find the discriminant of 1x² + 4x + 12 = 0.

11. Find the discriminant of 8x² + 8x + 11 = 0.

12. Find the discriminant of 5x² + 13x + 17 = 0.

13. Find the discriminant of 7x² + 19x + 14 = 0.

14. Find the discriminant of 5x² + 11x + 20 = 0.

15. The graph y = 9x² + 25x + 9 has axis x = k. Find k.

16. Find the discriminant of 3x² + 10x + 14 = 0.

17. The graph y = 6x² + 22x + 10 has axis x = k. Find k.

18. Find the discriminant of 2x² + 13x + 6 = 0.

19. The graph y = 2x² + 16x + 8 has axis x = k. Find k.

20. Find the discriminant of 4x² + 3x + 16 = 0.