QUESTION IMAGE
Question
- what is the equation in slope-intercept form of the line that passes through the point (-6, 18) and is perpendicular to the line represented by $y = \frac{3}{2}x - 4$?
Step1: Encontrar la pendiente perpendicular
La pendiente de la línea dada \( y = \frac{3}{2}x - 4 \) es \( m_1 = \frac{3}{2} \). La pendiente de una línea perpendicular \( m_2 \) satisface \( m_1 \cdot m_2 = -1 \). Entonces:
$$
\frac{3}{2} \cdot m_2 = -1 \implies m_2 = -\frac{2}{3}
$$
Step2: Usar la ecuación punto-pendiente
La ecuación punto-pendiente es \( y - y_1 = m(x - x_1) \), donde \( (x_1, y_1) = (-6, 18) \) y \( m = -\frac{2}{3} \). Sustituir:
$$
y - 18 = -\frac{2}{3}(x - (-6)) \implies y - 18 = -\frac{2}{3}(x + 6)
$$
Step3: Convertir a forma pendiente-intersección
Desarrollar y simplificar:
$$
y - 18 = -\frac{2}{3}x - 4 \implies y = -\frac{2}{3}x + 14
$$
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\( y = -\frac{2}{3}x + 14 \)