Fowler Nichols
03/28/2023 · Primary School

1. Determine si la recta ,. a. \( (-1,-1)(1,1 \) b. \( (-2,4)(1,-2) \) c. \( (-2,-3)(1,3) \) d. \( (1,3)(2,1) \) os pares de puntos es creciente o decreciente.

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Para determinar si las rectas formadas por los pares de puntos son crecientes o decrecientes, podemos calcular la pendiente de cada recta. La pendiente \( m \) se calcula con la fórmula: \[ m = \frac{y_2 - y_1}{x_2 - x_1} \] Si \( m > 0 \), la recta es creciente. Si \( m < 0 \), la recta es decreciente. Vamos a calcular la pendiente para cada par de puntos. a. Puntos \( (-1,-1) \) y \( (1,1) \): \[ m = \frac{1 - (-1)}{1 - (-1)} = \frac{1 + 1}{1 + 1} = \frac{2}{2} = 1 \] La pendiente es \( 1 \) (creciente). b. Puntos \( (-2,4) \) y \( (1,-2) \): \[ m = \frac{-2 - 4}{1 - (-2)} = \frac{-6}{1 + 2} = \frac{-6}{3} = -2 \] La pendiente es \( -2 \) (decreciente). c. Puntos \( (-2,-3) \) y \( (1,3) \): \[ m = \frac{3 - (-3)}{1 - (-2)} = \frac{3 + 3}{1 + 2} = \frac{6}{3} = 2 \] La pendiente es \( 2 \) (creciente). d. Puntos \( (1,3) \) y \( (2,1) \): \[ m = \frac{1 - 3}{2 - 1} = \frac{-2}{1} = -2 \] La pendiente es \( -2 \) (decreciente). Resumiendo: a. Creciente b. Decreciente c. Creciente d. Decreciente

Quick Answer

a. Creciente b. Decreciente c. Creciente d. Decreciente
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