Hannah is trying to find zeros in the function . She has used synthetic division to find for , , 1, and 3.
Use her results to state an interval in which all real zeros of lie.
Using synthetic division and the upper and lower bound tests, find all real zeros of the function .
Consider the function .
William is using synthetic division to help him find real zeros of .
What can he conclude about −5?
What can he conclude about 2?
Find all the real zeros of .