Question

Determine a equação da reta que passa pelos pontos A(-1,0) e B(1,2) * 10 pontos A)x + y - 1= 0 B)x - y - 1 = 0 C)-x - y + 1 = 0 D)x - y + 1 = 0

Answer 1

$m=\frac{y_B-y_A}{x_B-x_A} = \frac{2-0}{1+1}=1\\\\y=mx+n\\0=-1+n\\n=1\\\\y=mx+n\\y=x+1\\\\ \boxed{x-y+1=0}$