Question

Which equation matches the graph?


A)
y = (x - 1)(x - 4)


B)
y = (x + 1)(x + 4)


C)
y = (x - 1)(x + 4)


D)
y = (x + 1)(x - 4)

Answer 1

http://usatestprep.com/modules/gallery/files/22/2287/2287.png

Answer 2

The graph cuts the x-axis at -4 and -1. So the equation of the graph must be

y = (x +1) (x+4)... so that when you set y=0.. it gives x = -4 and -1

Answer 3

ooooooooh okay

Answer 4

thanks