Question

Which graph models the equation-2x+y=4?

Answer 1

-2x + y = 4 |+2x

y = 2x + 4

for x = 0 → y = 2(0) + 4 = 0 + 4 = 4 → (0; 4)

for x = -2 → y = 2(-2) + 4 = -4 + 4 = 0 → (-2; 4)

Answer 2

Graph B models the equation -2x+y=4, which simplifies to y=2x+4