The numerators of any rational roots of a polynomial will be factors of the what?

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

"which statement is necessarily true if bd is an altitude to the hypotenuse of right ? abc? a.) ? adb? ? bdc b.) ? adb~? bdc c.) abbc=acbd d.) ? bac? ? bdc"

Which table shows a proportional relationship?