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

B as when you look at the X coordinate line you can see how the parabola goes between when x is both -1 and when it is -4.