Question

Which equation is a quadratic equation?
y = 8x + 2
y = 2x(5 - x) + 7x
y + x2 = (x - 2)(x + 8)
y - 7x = (x2 + 1)(x - 3)

Answer 1

y = 2x(5 - x) + 7x

Answer 2

Not even a hint? @matricked

Answer 3

@matricked , you have been answer-sniping (that is straight-answering without explaining in OS lingo) since quite some time now. It would be much more meaningful and helpful if you could provide a solution or some explanation along with your answers. Thanks :)

Answer 4

thanks for ur suggsns...