Parsons Donnelly
08/06/2024 · Primary School

What is the equation of the line that passes through the point \( (-3,-1) \) and has a slope of 2 ?

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La ecuación de la recta que pasa por el punto \( (-3,-1) \) y tiene una pendiente de 2 se puede encontrar utilizando la forma punto-pendiente de la ecuación de una recta, que es: \[ y - y_1 = m(x - x_1) \] donde \( (x_1, y_1) \) es el punto dado y \( m \) es la pendiente. Sustituyendo los valores: - \( x_1 = -3 \) - \( y_1 = -1 \) - \( m = 2 \) Sustituyendo en la fórmula: \[ y - (-1) = 2(x - (-3)) \] Esto se simplifica a: \[ y + 1 = 2(x + 3) \] Ahora, distribuyendo el 2: \[ y + 1 = 2x + 6 \] Restando 1 de ambos lados: \[ y = 2x + 5 \] Por lo tanto, la ecuación de la recta es: \[ y = 2x + 5 \]

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La ecuación de la recta es \( y = 2x + 5 \).
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