Question

Determinar os coeficientes angular e linear das retas que passam pelos pontos : a) (-1,4) e (3,2) b) (4,3) e(-2, 3)

Answer 1

$\boxed{m=\frac{y_B-y_A}{x_B-x_A}}\\ \\ m_1=\frac{2-4}{3-(-1)}=\frac{-2}{4}=-\frac{1}{2}\\ \\ m_2=\frac{3-3}{-2-4}=0$