A person needs to fill 12 water jugs with a hose. Filling the first 4 jugs has taken 5 minutes. How long to finish filling the r
1 answer:
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Answer:
D=-4<0, the equation has no real solutions, it has two imaginary solutions.
Step-by-step explanation:
The quadratic equation has coefficients
a=1,
b=4,
c=5.
The discriminant D is the expression
Hence,
Since the discriminant is negative, the equation has no real solutions, it has two imaginary solutions.