Question

Se dau punctele A( 6,3 ), B ( 2,-1 )
Calculati panta dreptei AB

Answer 1

$A(6,3),\quad B(2,-1).\\ \\ \left|\begin{aligned}m_{AB} &= \dfrac{y_B-y_A}{x_B-x_A} \\ &= \dfrac{-1-3}{2-6}\\ &=\dfrac{-4}{-4} \\ &=1\end{aligned}\right.$