Since 4i is a root, that automatically means -4i is also a root (complex roots always travel in pairs)
So the factored form would look like
<span>(x+4i)(x−4i).</span>
When multiplied out this gives the polynomial
<span><span>x2</span>+<span>16.</span></span>
its b
Step-by-step explanation:
Sqrt28 = 5.2915~
largest integer below = 5
(round down)
Average speed is given by [Total Distance] ÷ [Total Time]
Average speed =

km/hour