1) a=3, k=-7, c=16D = (-7)^2 - 4316 = 49 - 192 = -143x1 = (14 + sqrt(-143))/6x2 = (14 - sqrt(-143))/6
2) a=4, k=-18, c=77D = (-18)^2 - 4477 = 324 - 308 = 16x1 = (36 + 4)/8 = 40/8 = 5x2 = (36 - 4)/8 = 32/8 = 4
3) a=5, k=-8, c=3D = (-8)^2 - 453 = 64 - 60 = 4x1 = (16 + 2)/10 = 18/10 = 9/5x2 = (16 - 2)/10 = 14/10 = 7/5
4) a=7, k=-10, c=14D = (-10)^2 - 4714 = 100 - 392 = -292y1 = (20 + sqrt(-292))/14y2 = (20 - sqrt(-292))/14
1) a=3, k=-7, c=16
D = (-7)^2 - 4316 = 49 - 192 = -143
x1 = (14 + sqrt(-143))/6
x2 = (14 - sqrt(-143))/6
2) a=4, k=-18, c=77
D = (-18)^2 - 4477 = 324 - 308 = 16
x1 = (36 + 4)/8 = 40/8 = 5
x2 = (36 - 4)/8 = 32/8 = 4
3) a=5, k=-8, c=3
D = (-8)^2 - 453 = 64 - 60 = 4
x1 = (16 + 2)/10 = 18/10 = 9/5
x2 = (16 - 2)/10 = 14/10 = 7/5
4) a=7, k=-10, c=14
D = (-10)^2 - 4714 = 100 - 392 = -292
y1 = (20 + sqrt(-292))/14
y2 = (20 - sqrt(-292))/14