Question

hallar la ecuacion que pasa (3,-1) y (-2,9)​

Answer 1

Respuesta:

$m = \frac{9 - ( - 1)}{ - 2 - 3} = \frac{9 + 1}{ - 5} = \frac{10}{ - 5} = - 2$

$9 = - 2 \times ( - 2) + n \\ 9 = 4 + n \\ 9 - 4 = n \\ 5 = n$

$y = - 2x + 5$