Find the equation of the axis of symmetry of the following parabola algebraically.y, equals, 3, x, squared, minus, 42, x, plus, 156y=3x 2 −42x+156
Question
Find the equation of the axis of symmetry of the following parabola algebraically.y, equals, 3, x, squared, minus, 42, x, plus, 156y=3x 2 −42x+156
Solution
Para encontrar la ecuación del eje de simetría de la parábola dada , seguimos estos pasos:
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Identificar la forma estándar de la ecuación cuadrática: La ecuación de la parábola está en la forma , donde:
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Usar la fórmula para el eje de simetría: La fórmula para encontrar el eje de simetría de una parábola en la forma es:
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Sustituir los valores de y en la fórmula:
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Simplificar la expresión:
Por lo tanto, la ecuación del eje de simetría de la parábola es:
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y=3x 2 −42x+156
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