1. Solving Quadratics Bingo!
©2010, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

2. ~BINGO!~
The winner who says “BINGO” at the appropriate time will get a mystery prize!
Anyone acting poorly will be disqualified.

3. Numbers
Place the following numbers in any empty box along with a FREE space. These numbers represent answers to quadratic equations.
0, 6
±4i ±3
2±i
-5/3, 1
±2i√3
1±√6
-1/2, -7
±2i√2
2±2√3
1, -7
-3±√69/10
±2√3
0, 8
±i√11
10, 1
-7±√33/2
11/2, -1
1±3i√3/2
4±3i√2/2 3
1/3, 7
-1±2i
-2±√6

4. 1
Solve by factoring.
2x2 + 15x + 7 = 0

5. 2
Solve by factoring.
3x2 + 2x – 5 = 0

6. 3
Solve by factoring.
–x2 + 16x – 12 = 5x – 2

7. 4
Solve by factoring.
3x2 – 9x = x2 + 11

8. 5
Solve by factoring.
3x2 + 7 = 22x

9. 6
Solve by factoring.
2x2 – 12x = 0

10. 7
Solve by factoring.
3x2 – 24x + 4 = 4

11. 8
Solve by factoring.
-x2 + 6x – 9 = 0

12. 9
Solve by taking the square root.
x = 24

13. 10
Solve by taking the square root.
2x = -8

14. 11
Solve by taking the square root.
5 – 3x2 = 29

15. 12
Solve by taking the square root.
(x + 3)2 = 16

16. 13
Solve by taking the square root.
(x – 2)2 = 12

17. 14
Solve by taking the square root.
20 – 2x2 = 2

18. 15
Solve by taking the square root.
4x2 = 3x2 – 11

19. 16
Solve by taking the square root.
3x2 = x2 – 12

20. 17
Solve by using the quadratic formula.
x2 + 2x – 5 = 0

21. 18
Solve by using the quadratic formula.
x2 + 9x + 1 = 2x – 3

22. 19
Solve by using the quadratic formula.
5x2 + 3x – 3 = 0

23. 20
Solve by using the quadratic formula.
x2 + 3x + 13 = x + 8

24. 21
Solve by using the quadratic formula.
x2 + 4x – 2 = 0

25. 22
Solve by using the quadratic formula.
x2 + 7 = x

26. 23
Solve by using the quadratic formula.
x2 – 4x = -5

27. 24
Solve by using the quadratic formula.
2x2 – 8x – 1 = 0

28. answers 1
-1/2, -7 9
±2√3 17
1±√6 2
-5/3, 1 10
±4i 18
-7±√33/2 3
10, 1 11
±2i√2 19
-3±√69/10 4
11/2, -1 12
1, -7 20
-1±2i 5
1/3, 7 13
2±2√3 21
-2±√6 6
0, 6 14 ±3 22
1±3i√3/2 7
0, 8 15
±i√11 23
2±i 8 16
±2i√3 24
4±3i√2/2