Respuesta :

the missing number is 0.

If you study the x values and the y values, you'll see that each time x increases by 2, y increases by 5.
The answer would be 0 because each time “x” goes up by 2, “y” also goes up by 5 each time.

x,y
1,-10
3,-5
5,0
7,5

1+2= 3
-10+5= -5