Answer:
(4, 0) and (5, 0)
Step-by-step explanation:
Given
See attachment for graph
Required
The x intercepts
This is the point where 
From the graph, we have the following as the x-intercepts:


Because the curve crosses the x-axis at the above points
There is no choice on your list that must represent an odd integer.
If 'z' is an even integer, then (z-1) and (z+1) must both be odd integers.
3)
GCF of 18 and 22 is 2
GCF of 25 and 50 is 25
GCF of 54 and 36 is 18
GCF of 40 and 8 is 8
GCF of 16 and 24 is 8
4)
GCF of 10 and 15 is 5
GCF of 24 and 30 is 6
GCF of 8 and 10 is 2
GCF of 5 and 24 is 1
GCF of 24 and 40 is 8
5)
GCF of 8 and 12 is 4
GCF of 15 and 4 is 1
GCF of 20 and 4 is 4
GCF of 3 and 24 is 3
GCF of 12 and 4 is 4
6)
GCF of 15 and 2 is 1
GCF of 12 and 30 is 6
GCF of 4 and 30 is 2
GCF of 6 and 40 is 2
GCF of 10 and 2 is 2