Question

determine the y-intercept of -4x^2(x+3)(x-1)

Answer 1

Substitute 0 for x and solve. That is your y-intercept

Answer 2

but look at this -4(0)^2(0+3)(0-1) = ?

Answer 3

That is zero which means the y-intercept is the origin.

Answer 4

oh that mean the y intercept passes through the center of the graph?

Answer 5

yes. It brushes the origin. If have a graphing calculator, you can see what it looks like

Answer 6

th6ank mayne