Question

se os pontos 1,0 e 0,1 m,n do plano x0y estao sobre a mesma reta entao 
(a)m/n=1 (b) m+n=1 (c)m-n=1 (d)m-2+n (e)m+n=2

Answer 1

Olá Yuri

A(1,0)
B(0,1)
C(m,n)

f(x) = ax + b

f(1) = a + b = 0
f(0) = b = 1

a + 1 = 0
a = -1

f(x) = -x + 1

f(m) = -m + 1 = n

m + n = 1 (B)