The points plotted below (look on attachments) are on the graph of a polynomial. In what range of x-values must the polynomial have a root?
Check all that apply.
A) 3.5 to 4.5
B) 1.5 to 2.5
C) 0.5 to 1.5
D) -1.5 to -0.5
E)-2.5 to -1.5
F)-3.5 to -2.5

Question

The points plotted below (look on attachments) are on the graph of a polynomial. In what range of x-values must the polynomial have a root? 
Check all that apply. 
A) 3.5 to 4.5
B) 1.5 to 2.5
C) 0.5 to 1.5 
D) -1.5 to -0.5
E)-2.5 to -1.5
F)-3.5 to -2.5

anonymous · Answer

attachment

unklerhaukus · Answer

the roots are where the curve cuts the x-axis

anonymous · Answer

How do you know when it cuts?

anonymous · Answer

connect the dots, no pun intended