©2010, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources.

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Presentation transcript:

©2010, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

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

Numbers Place the following numbers in any empty box along with a FREE space. These numbers represent answers to quadratic equations.Place the following numbers in any empty box along with a FREE space. These numbers represent answers to quadratic equations. 0, 6±4i±32±i- 5 / 3, 1±2i√3 1±√6- 1 / 2, -7±2i√22±2√31, -7-3± √69 / 10 ±2√30, 8±i√1110, 1-7± √33 / 2 11 / 2, -1 1± 3i√3 / 2 4± 3i√2 / / 3, 7-1±2i-2±√6

1 Solve by factoring. 2x x + 7 = 0

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

3 –x x – 12 = 5x – 2 Solve by factoring.

4 3x 2 – 9x = x Solve by factoring.

5 3x = 22x Solve by factoring.

6 2x 2 – 12x = 0 Solve by factoring.

7 3x 2 – 24x + 4 = 4 Solve by factoring.

8 -x 2 + 6x – 9 = 0 Solve by factoring.

9 x = 24 Solve by taking the square root.

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

11 5 – 3x 2 = 29 Solve by taking the square root.

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

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

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

15 4x 2 = 3x 2 – 11 Solve by taking the square root.

16 3x 2 = x 2 – 12 Solve by taking the square root.

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

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

19 5x 2 + 3x – 3 = 0 Solve by using the quadratic formula.

20 x 2 + 3x + 13 = x + 8 Solve by using the quadratic formula.

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

22 x = x Solve by using the quadratic formula.

23 x 2 – 4x = -5 Solve by using the quadratic formula.

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

1 - 1 / 2, -7 9 ±2√3 17 1±√ / 3, 1 10 ±4i 18 -7± √33 / , 1 11 ±2i√ ± √69 / / 2, , ±2i 5 1 / 3, ±2√ ±√6 6 0, 6 14 ±3 22 1± 3i√3 / 2 7 0, 8 15 ±i√ ±i ±2i√3 24 4± 3i√2 / 2