Question 510342
EQ1.
x = y +2
y = x -2
.
as x increases, y increases
.
EQ2.
1/2x + y = 0
y = -1/2x
.
as x increases, y decreases
.
EQ3.
y = 4/7x + 3
.
as x increases, y increases
.
Consider the graphs:  EQ1 is red, EQ2 is green & EQ3 is blue.
.
{{{graph(500,500,-15,15,-15,15,x-2,-1/2*x,4/7*x+3)}}}