Ross Simmons
05/02/2023 · Primary School

\begin{tabular}{c|c|}\hline Pendiente & Punto \\ \( -\frac{1}{3} \quad(-2,1) \) \\ \hline\end{tabular}

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Para la pendiente \( m = -\frac{1}{3} \) y el punto \( (-2, 1) \), podemos utilizar la forma punto-pendiente de la ecuación de la recta, que se expresa como: \[ y - y_1 = m(x - x_1) \] donde \( (x_1, y_1) \) es el punto dado y \( m \) es la pendiente. Sustituyendo los valores: - \( m = -\frac{1}{3} \) - \( x_1 = -2 \) - \( y_1 = 1 \) La ecuación se convierte en: \[ y - 1 = -\frac{1}{3}(x + 2) \] Ahora, simplificamos la ecuación: \[ y - 1 = -\frac{1}{3}x - \frac{2}{3} \] Sumamos 1 a ambos lados: \[ y = -\frac{1}{3}x - \frac{2}{3} + 1 \] Convertimos 1 a tercios: \[ y = -\frac{1}{3}x - \frac{2}{3} + \frac{3}{3} \] Esto nos da: \[ y = -\frac{1}{3}x + \frac{1}{3} \] Por lo tanto, la ecuación de la recta con pendiente \( -\frac{1}{3} \) que pasa por el punto \( (-2, 1) \) es: \[ y = -\frac{1}{3}x + \frac{1}{3} \]

Quick Answer

La ecuación de la recta es \( y = -\frac{1}{3}x + \frac{1}{3} \).
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