Grade 9 Quadratic equations worksheet

What is on the worksheet

1. Expand (4x + 17)². What is the coefficient of x?

2. Expand (10x + 2)². What is the coefficient of x?

3. Find the smaller root of (x − 3)(x − 16) = 0.

4. Find f(-6) if f(x) = 2x² + 2x + 14.

5. Expand (9x + 8)². What is the coefficient of x?

6. Find the smaller root of (x − 1)(x − 10) = 0.

7. Expand (12x + 28)². What is the coefficient of x?

8. Find f(-3) if f(x) = 6x² + 11x + 12.

9. Find the smaller root of (x − 25)(x − 36) = 0.

10. Find f(3) if f(x) = 4x² + 3x + 2.

11. Find f(-4) if f(x) = 5x² + 8x + 7.

12. Expand (7x + 26)². What is the coefficient of x?

13. Find f(-6) if f(x) = 3x² + 10x + 15.

14. Find f(-4) if f(x) = 5x² + 6x + 8.

15. Find f(-3) if f(x) = 5x² + 3x + 10.

16. Expand (11x + 12)². What is the coefficient of x?

17. Find f(6) if f(x) = 1x² + 7x + 9.

18. Find f(2) if f(x) = 4x² + 3x + 12.

19. Expand (2x + 18)². What is the coefficient of x?

20. Find f(7) if f(x) = 2x² + 12x + 8.