Solving Quadratics BINGO

B

100

x² = 50

x = + 5√2, - 5√2

200

x² = 72

x = + 6√2, - 6√2

300

(x - 5)² = 18

x = 5 + 3√2, 5 - 3√2

400

(x + 2)² = 8

x = -2 + 2√2, -2 - 2√2

500

(x + 3)² = 32

x = -3 + 4√2, -3 - 4√2

I

100

x² - 20 = 0

x = +2√5, -2√5

200

x² - 45 = 0

x = +3√5, -3√5

300

(x - 5)² = 72

x = 5 + 6√2, 5 - 6√2

400

x² + 9x + 20 = 0

x = -4, -5

500

x² - 16 = 0

x = +4, -4

N

100

x² - x - 6 = 0

x = -2, 3

200

2x² + 7x + 3 = 0

x = -1/2, -3

300

4x² + 4x - 3 = 0

x = 1/2, -3/2

400

x² + 11x + 24 = 0

x = -3, -8

500

2x² - 5x - 3 = 0

x = -1/2, 3

G

100

6x² + 5x - 6 = 0

x = 2/3, -3/2

200

x² - 10x + 21 = 0

x = 3, 7

300

3x² + 11x + 6 = 0

x = -2/3, -3

400

4x² - 12x + 9 = 0

x = 3/2

500

x² - 8x + 15 = 0

x = 3, 5

O

100

5x² + 13x + 6 = 0

x = -3/5, -2

200

x² - 7x + 12 = 0

x = 3, 4

300

(x - 4)² = 18

x = 4 + 3√2, 4 - 3√2

400

2x² + 7x + 3 = 0

x = -1/2, -3

500

3x² - 2x - 8 = 0

x = -4/3, 2