Mario graphed a system of equations with a solution of (4,-4). If the first equation is shown on the graph, circle the choice that
could represent the second equation.
A: y=-1/4x
B: y=x-4
C: y=-x+8
D: y=-1/2x-2

i can't see the picture : /

square root of 36/6 = 2.449489743

square root of 16/6 = 1.632993162

square root of 6 = 2.449489743

the answer is square root of 16/6 because the square root of 36/6 is the same answer as square root of 6 = 2.449489743