Question

Which is not an equation of the line that passes through the points (1, 1) and (5, 5)?

x - y = 0
-x - y = 0
y-x=0

Answer 1

Explanation:

(5-1)/(5-1)= 4/4= 1

y - 1 = x - 1

y = x

y - x = 0

the second equation is not