Question

Si el discriminante de una ecuación de segundo grado con una incógnita es mayor a cero, ¿cuál(es) de las siguientes afirmaciones es(son) verdadera(as)?

I. La ecuación tiene dos raíces reales y distintas.
||. La ecuación no tiene raíces reales.

III. La ecuación tiene dos raíces reales iguales. ​

Answer 1

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Answer 2

Answer:

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Nanotechnology is hailed as having the potential to increase the efficiency of energy consumption, help clean the environment, and solve major health problems. It is said to be able to massively increase manufacturing production at significantly reduced costs. Products of nanotechnology will be smaller, cheaper, lighter yet more functional and require less energy and fewer raw materials to manufacture, claim nanotech advocates.