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:
\[
y = 2x + 5
\]
Quick Answer
La ecuación de la recta es \( y = 2x + 5 \).
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