A car enters an interstate highway 20 mi north of a city. The car travels north at an average speed of 58 mph. Which equation mo
2 answers:
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For this case we have the following quadratic equation:
Where:
By definition, the discriminant of a quadratic equation is given by:
We have to:
Two different real roots
Two different complex roots
Two equal real roots
Substituting the values we have:
So, we have two different complex roots
Answer:
Two different complex roots