Question

The points plotted below are on the graph of a polynomial. In what range of x-values must the polynomial have a root?

A. 1 to 2
B. 0 to 1
C. -1 to 0
D. -2 to -1
E. -3 to -2
F. -4 to -3

Answer 1

the graph is missing, but you're looking for points that change in sign for the y coordinate


ex: if you go from (2,3) to (3,-9) then you have to cross the x axis at some point in between, so there is a zero between x = 2 and x = 3 (this is just a pure example though)

Answer 2

I put the graph

Answer 3

did you see my example

Answer 4

Did you see my graph

Answer 5

yes, tell me what you get using my example

Answer 6

That 2is X and 3 is x

Answer 7

not sure what you mean

Answer 8

(x,y) ???

Answer 9

oh you mean with my example and how I used (2,3) ?

Answer 10

Yes

Answer 11

yes (x,y) is any general point

(2,3) means x = 2 and y = 3

Answer 12

I get that part but can you help me with y graph

Answer 13

my*

Answer 14

connect each pair of points that are next to each other with a straight line

Answer 15

does the graph you created ever cross the x axis?

Answer 16

Nope

Answer 17

you sure?

Answer 18

make sure you've connected all the dots

Answer 19

It does one time

Answer 20

where

and it should cross twice

Answer 21

-1 to 0 and -4 to -3

Answer 22

very good, you got them both

Answer 23

Graciiiiiiaaass!!! :p

Answer 24

de nada