Question
d 2 + 8 d + 3 = 0

Answer d = − 0.39 d = − 7.61

Question
3 b 2 + 9 b + 5 = 0

Answer b = − 0.74 b = − 2.26

Question
2 c 2 + 9 c + 4 = 0

Answer c = − 0.50 c = − 4

Question
y 2 + 6 y + 3 = 0

Answer y = − 0.55 y = − 5.45

Question
3 b 2 − 12 b + 6 = 0

Answer b = 3.41 b = 0.59

Question
2 b 2 + 11 b + 4 = 0

Answer b = − 0.39 b = − 5.11

Question
3 d 2 + 7 d + 1 = 0

Answer d = − 0.15 d = − 2.18

Question
2 c 2 − 10 c + 4 = 0

Answer c = 4.56 c = 0.44

Question
2 d 2 − 10 d + 3 = 0

Answer d = 4.68 d = 0.32

Question
g 2 + 8 g + 3 = 0

Answer g = − 0.39 g = − 7.61

Question
e 2 − 8 e + 1 = 0

Answer e = 7.87 e = 0.13

Question
d 2 − 5 d − 1 = 0

Answer d = 5.19 d = − 0.19

Question
f 2 + 10 = 17 f

Answer f = 16.39 f = 0.61

Question
4 = 2 a 2 − 11 a

Answer a = 5.84 a = − 0.34

Question
6 f = 1 − 3 f 2

Answer f = 0.15 f = − 2.15

Question
9 b = 3 − 2 b 2

Answer b = 0.31 b = − 4.81

Question
13 a = 10 − a 2

Answer a = 0.73 a = − 13.73

Question
14 c = 7 − 2 c 2

Answer c = 0.47 c = − 7.47

Question
a 2 + 1 = 6 a

Answer a = 5.83 a = 0.17

Question
9 = 3 c 2 − 12 c

Answer c = 4.65 c = − 0.65