Solve the equation x, squared, plus, 11, x, plus, 17, equals, 0x 2 +11x+17=0 to the nearest tenth.
Question
Solve the equation x, squared, plus, 11, x, plus, 17, equals, 0x 2 +11x+17=0 to the nearest tenth.
Solution
Para resolver la ecuación a la décima más cercana, podemos usar la fórmula cuadrática, que es:
En esta ecuación, , , y . Sustituimos estos valores en la fórmula cuadrática:
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Calculamos el discriminante:
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Sustituimos el discriminante en la fórmula cuadrática:
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Calculamos las dos posibles soluciones:
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Aproximamos a la décima más cercana:
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Sustituimos esta aproximación en las soluciones:
Por lo tanto, las soluciones de la ecuación a la décima más cercana son aproximadamente y .
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